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Nayar, M. P.
- A New Variety of Abutilon Neelgherrense Munro Ex Wt. (Malvaceae) from Tamil Nadu, India
Abstract Views :169 |
PDF Views:116
Authors
T. K. Paul
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 25, No 1-4 (1983), Pagination: 183-184Abstract
No Abstract.Full Text
- New Taxa of Osbeckia L. with a Note on O. lineolata Gamble
Abstract Views :123 |
PDF Views:122
Authors
G. S. Giri
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 25, No 1-4 (1983), Pagination: 241-245Abstract
No Abstract.Full Text
- A New Species of Illigera Blume (Hernandiaceae) from India
Abstract Views :155 |
PDF Views:119
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 25, No 1-4 (1983), Pagination: 249-251Abstract
No Abstract.Full Text
- A New Species of Jatropha from Madras State
Abstract Views :138 |
PDF Views:122
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 6, No 2-4 (1964), Pagination: 331-332Abstract
No Abstract.Full Text
- Tayloriophyton: a New Malaysian Genus of Melastomataceae
Abstract Views :165 |
PDF Views:122
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 10, No 1 (1968), Pagination: 90-93Abstract
A new Genus Tayloriophyton Based on Tayloriophyton Glabrum Nayar and T. longisetosum (Ridl.) Nayar is Described with Illustrations. a New Variety T. Glabrum Var. Sessilifolium is also Proposed.Full Text
- Two New Species of Poikilogyne Baker. F. from New Guinea and the Status of the Genus Scrobhlaria Mansf
Abstract Views :180 |
PDF Views:128
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 10, No 1 (1968), Pagination: 99-103Abstract
No Abstract.Full Text
- Three New Species and Notes on the Genus Driessenia Korth
Abstract Views :195 |
PDF Views:133
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 10, No 2 (1968), Pagination: 190-195Abstract
The paper presents a description of three new species of Driessenia Korth. viz. Driessenia inaequalifolia Nayar, D. kemoelensis Nayar and D. ohwiana Nayar. A new variety Driessenia inaequalifolia Nayar var. alata Nayar is also proposed. D. ciliata Becc. ex Cogn. has been reduced to D. axantha Korth.; likewise D.ferox Bakh. f. has been reduccd to D. glanduligera Stapf.Full Text
- Notes on the Genus Sporoxeia W. W. Smith (Family: Melastomataceae) and a New Record for Vietnam
Abstract Views :164 |
PDF Views:109
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 10, No 2 (1968), Pagination: 241-243Abstract
No Abstract.Full Text
- A New Species and Notes on the Genus Cyanandrium Stapf (Melastomataceae)
Abstract Views :144 |
PDF Views:121
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 10, No 3-4 (1968), Pagination: 334-336Abstract
A new species Cyanandrium osmanthum Nayar is described from Borneo with illustrations. Additional notes and illustrations have been given for the first time for the following species: C. guttatum Stapf, C. rufum Stapf, C. jacobsianum Nayar and C. glabrum Nayar. A key to the species so far known is also presented.Full Text
- Plant Taxonomy - Its Past Role and Future Lines of Action in India
Abstract Views :181 |
PDF Views:132
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 13, No 1-2 (1971), Pagination: 147-151Abstract
The history of floristic and taxonomic research in India is briefly reviewed and the decline and revival of floristic studies in India is traced.
Modern concepts in plant taxonomy are towards the synthesis of orthodox taxonomic practices and modern methodologies. There need not be any clash between the so called alpha and omega taxonomists. All data that can be readily scanned for the species is useful for the taxonomist. The only aspect that has to be considered is the utillty of classification for a specified purpose. A field, or forest botanist needs diagnostic keys based on superficial morphological characters for identification of plants in the field. Characters based on anatomy, embryology chromosome structure and number, palynology, plant alkaloids and protein serum analysis are useful tools for finding out the systematic position of plants of doubtful affinity; however,. these characters cannot be readily used in the field for identification of plants. The herbarium identification of plants is the simple method of retrieval of plant identity through standard specimens properly authenticated by an expert. It does not give legality for the concept of fixity of species as wrongly alluded to by some non-taxonomists, since Nomenclatural Type is a constituent element of a taxon and it is not necessarily the most representative element.
Some of the lines where taxonomists could play a major role are the inventory listing of plants for the conservation of species, monitoring rate of decline and spread of species, establishment of botanical record centres, environmental education and collaboration with universities for reorientation of teaching methods.
The necessity for floristic training is stressed and a syllabus drawn up.
Full Text
- Centres of Development and Patterns of Distribution of the Family Melastomataceae in Indo-Malesia
Abstract Views :196 |
PDF Views:146
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 14, No 1-4 (1972), Pagination: 1-12Abstract
1.The Melastomataceae is a homogeneous family of about 220 genera and 5300 species and is generally confined to the tropical and subtropical regions, avoiding arid conditions and attaining prolific developments in the rain forests between the tropic of cancer and the tropic of capricorn. More than one half of the World's melastomataceous genera (about 120) and two-thirds of the total number of species (about 3353) are confined to the New World. The melastomataceous flora of Indo-Malesia consists of 64 genera and about 1300 species. In the Old World the incidence of melastomataceous species for Indo-Malesia and Africa is in the ratio of 2:1.2.The present distribution of Melastomataceae in both the New World and the Old World is discussed on the basis of Wegener's hypothesis of "Continental Drift". Instead of considering the island of Madagascar as the centre of origin of the family in a restricted way, it is considered that "Gondwanaland" was ideally suited for the melastomataceous flora and those blocks that moved away after the breaking up of this huge continental mass in the Late Cretaceous, each carried their own share of melastomataceous species which, after gradual establishment in new situations during a long span of time and space, proliferated into several new taxa by an intensive process of evolution.
3.The Deccan Peninsula + Ceylon block in drifting over the Indian Ocean must have carried the original Gondwanaland stock and gene-pool of the Melastomataceae which later-when this block was fused with Laurasia and the Tethys Sea had disappeared-became the centre of development of the family in continental Asia. Then Melastomataceae could further develop on the southern part of Laurasia and from there migrate eastward to the Malesian islands, the Western Pacific and northern Australia.
This implies the conclusion that, though Australia also formed part of the ancient Gondwanaland, this cannot have carried part of the ancient Gondwanaland Melastomataceae when Australia drifted apart.
4.An attempt has been made to assess the centres of distribution of Indo-Malesian Melastomataceae and from this study the following four centres of development are proposed : (i) The Deccan-Ceylon centre, (ii) The Himalayan-Yunnan centre, (iii) The Sunda centre and (iv) The Philippine-Papuan centre.
5.The Island of Borneo is unique in having the largest number of genera-42 out of the Indo-Malesian total of 64 genera-and the largest number of species i.e. 257. Perhaps, it is due to the part played by the mountain of Kinabalu in enriching the floristic composition of Borneo. It is generally considered by phytogeographers that Kinabalu is a great sanctuary of flora, past and present, and a nursery of endemic elements.
Full Text
- In Memoriam : Dr. John Hutchinson F. R. S. (1884-1972)
Abstract Views :128 |
PDF Views:107
Authors
M. P. Nayar
1,
K. Thothathri
1
Affiliations
1 Botanical Survey of India, 14 Madan Street, Calcutta-13, IN
1 Botanical Survey of India, 14 Madan Street, Calcutta-13, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 13, No 1-2 (1971), Pagination: 167-168Abstract
No Abstract.Full Text
- The Identity of Tephrosia axillaris A. R. Smith
Abstract Views :167 |
PDF Views:95
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 11, No 1-2 (1969), Pagination: 187-188Abstract
No Abstract.Full Text
- Dissochaeta alstonii Sp. Nov. (Melastomataceae)
Abstract Views :191 |
PDF Views:94
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 11, No 1-2 (1969), Pagination: 188-189Abstract
No Abstract.Full Text
- A New Species Neodissochaeta Bakh. F. (Melastomataceae)
Abstract Views :118 |
PDF Views:85
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 11, No 1-2 (1969), Pagination: 195-196Abstract
No Abstract.Full Text
- A New Variety of Galium Confertum Royle Ex Hook. F. from N. W. Himalayas
Abstract Views :121 |
PDF Views:120
Authors
M. P. Nayar
1,
K. C. Malick
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 11, No 3-4 (1969), Pagination: 429-429Abstract
No Abstract.Full Text
- A New Combination and Notes on the Genus Campimia Ridl. (Melastomataceae)
Abstract Views :132 |
PDF Views:93
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 14, No 1-4 (1972), Pagination: 188-189Abstract
No Abstract.Full Text
- A New Species of Bupleurum Linn. (Umbelliferae) from Andhra Pradesh, India
Abstract Views :137 |
PDF Views:112
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 12, No 1-4 (1970), Pagination: 255-256Abstract
No Abstract.Full Text
- Third List of Species and Genera of Indian Phanerogams not Included in J. D. Hooker's Flora of British India (Excluding Bangladesh, Burma, Ceylon, Malayan Peninsula and Pakistan)
Abstract Views :222 |
PDF Views:155
Authors
M. P. Nayar
1,
K. Ramamurthy
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 15, No 3-4 (1973), Pagination: 204-234Abstract
Calder et al. (1926) presented the first list of Phancrogams not included in J.D. Hooker's Flora of British India and it covered a span of twenty six years between 1898-1924. Razi (1959) enumerated the second list of Indian Phanerogams supplementing Calder's list for the period from 1924 to 1950 and this again covered a period of twenty six years. The third list now presented by the authors spanned a period of twenty five years (1950-1975) and the plants enumerated is geographically delimited to India, Bhutan and Nepal. In the present list the authors have listed about 1000 taxa of Phanerogams added to the Indian flora supplementing the lists of Calder (1926) and Razi (1959). The countries Bhutan and Nepal are part of Himalayan region and for any study of Himalayan flora of India, it is necessary to understand the floristic elements of Nepal and Bhutan since many Himalayan elements occur in the contiguous territories of India, Bhutan and Nepal.Full Text
- The Systematic Position of Genus Creochiton Bl. (Melastomataceae)
Abstract Views :131 |
PDF Views:91
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 15, No 1-2 (1973), Pagination: 147-148Abstract
No Abstract.Full Text
- A Note on the Genus Allomorphia Bl. (Melastomataceae) and a New Species from Malaya
Abstract Views :122 |
PDF Views:104
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 15, No 1-2 (1973), Pagination: 169-171Abstract
No Abstract.Full Text
- Neodriessenia : a New Genus of Melastomataceae
Abstract Views :200 |
PDF Views:151
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 16, No 1-4 (1974), Pagination: 21-26Abstract
Neodriessenia, a new genus of Melastomataceae, endemic to the Island of Borneo, is described here. Neodriessenia is allied to Driessenia Korth. but differs in having stamens with conspicuously produced connective which are dorsally spurred and ventrally long produced appendage with subdivergent apex and in the presence of characteristic 4-lobed glands all along the branches, leaves and inflorescence ; whereas the genus Driessenia Korth. has stamens with slightly produced connective which are dorsally spurred and ventrally bisetose and has no 4-lobed glands. Following new species, new varieties and new combinations are established here: Neodriessenia hirta (Ridl.) Nayar, N. hirta (Ridl.) Nayar var. petiolata Nayar, N.pilosa Nayar, N. rubrovenia Nayar, N. scorpioidea (Stapf) Nayar, N. crystallina ( Stapf) Nayar and N. purpurea Nayar.Full Text
- Genus Melanocenchris Nees-a Critical Review
Abstract Views :167 |
PDF Views:118
Authors
K. K. N. Nair
1,
M. P. Nayar
2
Affiliations
1 Botanical Survey of India, Calcutta, IN
2 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Calcutta, IN
2 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 16, No 1-4 (1974), Pagination: 141-144Abstract
No Abstract.Full Text
- Taxonomic Studies on Myrsinaceae of India-I. a New Species and Review of Genus Sadiria Mez
Abstract Views :443 |
PDF Views:107
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 16, No 1-4 (1974), Pagination: 144-147Abstract
No Abstract.Full Text
- Revision of the Genus Antistrophe A. Dc. (Myrsinaceae)
Abstract Views :208 |
PDF Views:132
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 18, No 1-4 (1976), Pagination: 80-84Abstract
The genus Antistrophe A. DC. consists of five species viz. A. serratifolia (Bedd.) Hook. f., A. oxyanth (Wall.) A. DC., A. solanoides (King & Gamble) Nayar et Giri, comb. nov. A. caudata King & Gamble and A. curtisii King & Gamble. A. serratifolia is endemic to Anamalai hills of Western Ghats of India; A. oxyantha occurs in Khasi and Garo Hills and Bhutan. A. solanoides, A. caudata and A. curtisii occur in Malaya. A new variety Antistrophe oxyantha var. bhutanica Nayar et Giri from Bhutan is proposed.Full Text
- A New Species, New Combinations and Notes on the Genus Pternandra Jack (Melastomataceae)
Abstract Views :189 |
PDF Views:139
Authors
Affiliations
1 Botanical Survey of India, Pune, IN
1 Botanical Survey of India, Pune, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 17, No 1-4 (1975), Pagination: 51-54Abstract
The genius Kibessia is reduced to synonymy of the genus Plernandra. A new species Plernandra moluccana Nayar is described and eighteen name transfers are proposed. The new combinations and new names proposed are as follows: Plernandra hirtella (Cogn.) Nayar; P. azurea (Bl.) Burkill var. subalata (Bl.) Nayar; P. acuminata (Decne) Nayar; P. tuberculata (Korth.) Nayar; P. grandifolia (Bakh. f.) Nayar; P. gracilis (Cogn.) Nayar; P. teysmanniana (Cogn.) Nayay; P. codacea (Cogn.) Nayar; P. restrain (Cogn.) Nayar; P. tessellata (Stapf) Nayar; P. accuminatissima (Merr.) Nayar; P. affinis (Merr.) Nayar; P. elmeri (Merr.) Nayar; P. ledermannii (Mansfeld) 'Nayfeir; P. verrucosa (Merr.) Nayar; P. borneaensis Nayar; P. cogniauxii Nayar; P. pachyphylla (Bakh. f.) Nayar.Full Text
- A New Species of Maesa (Myrsinaceae) from Nagaland (India)
Abstract Views :132 |
PDF Views:120
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Pune, IN
1 Botanical Survey of India, Pune, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 17, No 1-4 (1975), Pagination: 182-184Abstract
No Abstract.Full Text
- Phytogeographical Significance of Endemic Genera (Angiosperms) in Peninsular India and Sri Lanka
Abstract Views :172 |
PDF Views:129
Authors
M. P. Nayar
1,
M. Ahmed
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 1-2 (1984), Pagination: 65-70Abstract
The presence of eademic genera of restricted distribution occurring in Peninsular India and Sri Lanka is analysed in terms of its phytogeography. The genera are mainly of the palaeoendemic type. There are about 56 endemic genera in Peninsular India (Nayar, 1980) while in Sri Lanka there are only 20 genera. The presence of common genera (27 genera) with restricted distribution in Peninsular India and Sri Lanka is interesting from the phytogeographical angle.Full Text
- A New Species and Notes on Two Species of Sonerila Roxb. (Melastomataceae) from South India
Abstract Views :191 |
PDF Views:147
Authors
G. S. Giri
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 3-4 (1984), Pagination: 174-180Abstract
A new species of Sonerila and notes on two species of the genus are described here from South India.
Full Text
- A New Variety of Sonerila sadasivanii Nayar (Melastomataceae) from Southern India
Abstract Views :193 |
PDF Views:127
Authors
G. S. Giri
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 3-4 (1984), Pagination: 189-190Abstract
The new variety is described here with illustrations.Full Text
- Red Sanders Tree (Pterocarpus santalinus Linn. F.) on the Verge of Depletion
Abstract Views :144 |
PDF Views:203
Authors
M. Ahmed
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 1-2 (1984), Pagination: 142-143Abstract
No Abstract.Full Text
- In Memoriam : Dr A. S. Rao (1924-1983)
Abstract Views :142 |
PDF Views:99
Authors
M. P. Nayar
1,
J. Joseph
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 3-4 (1984), Pagination: 242-243Abstract
No Abstract.Full Text
- A New Species of Ammannia L. (Lythraceae) from India
Abstract Views :166 |
PDF Views:117
Authors
Thomas Mathew
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 31, No 1-4 (1989), Pagination: 158-161Abstract
No Abstract.Full Text
- Problems and Prospects of Botanical Methods of Mineral Exploration with Reference to India - an Appraisal
Abstract Views :182 |
PDF Views:106
Authors
M. P. Nayar
1,
P. Venu
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 32, No 1-4 (1990), Pagination: 28-42Abstract
The present report attempts to evaluate the existing literature with regard to geobotanical and biogeochemical methods of investigation for mineral prospecting. The emphasis is laid o.i the validity of grouping of indicator plants into 'Universal' and 'Local' in the light of their limitations in application value. The report also stresses the essentiality of biosystematic studies prior to making any new reports from any mineralized areas. This suggestion is made taking in view the prevailing opinions on the evolution and adaptation of indicator plants. Moreover, few notable indicator species are now recognised as only ecotypes of the related species growing on unmineralised areas. A compilation of indicator plants is made and the scope of utilisation and profitable exploitation of these taxa is discussed. A few important aspects of biogeochemistry are also given which are necessary in systematic and effective orientation surveys. It was felt that instead of taking up this subject in the established line, the analysis of herbarium material, procured from different herbaria of the country would be of great use for a quick tracing and assessment of mineral rich areas in the country.Full Text
- A New Variety of Sonerila elegans Wight (Melastomataceae) from Kerala, India
Abstract Views :223 |
PDF Views:119
Authors
G. S. Giri
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, IN
1 Botanical Survey of India, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 72-74Abstract
A new variety of Sonerila elegans Wight has been described from Kerala.Full Text
- A New Species of Sonerila Roxb. (Melastomataceae) from Southern India
Abstract Views :201 |
PDF Views:117
Authors
G. S. Giri
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 86-89Abstract
A new species of Sonerila Roxb., namely S. cannanorensis is described here with illustrations and SEM photographs of seed coat.Full Text
- A New Species of Camellia (Theaceae) from Arunachal Pradesh, India
Abstract Views :201 |
PDF Views:116
Authors
T. K. Paul
1,
M. P. Nayar
2
Affiliations
1 Botanical Survey of India, Howrah, IN
2 Botanical Survey of India, Howrah, IS
1 Botanical Survey of India, Howrah, IN
2 Botanical Survey of India, Howrah, IS
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 92-93Abstract
A new species of Camellia has been described in the present paper.Full Text
- A New Holboellia (Lardizabalaceae) from Meghalaya, India
Abstract Views :228 |
PDF Views:99
Authors
T. K. Paul
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 105-106Abstract
A new species of Holboellia has been, described from Meghalaya.Full Text
- A Reappraisal of Hypecoum pendulum and H. parviflorum (Hypecoaceae)
Abstract Views :222 |
PDF Views:122
Authors
H. S. Debnath
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 109-112Abstract
Hypecoum pendulum & H. parviflorum complex is reviewed and their interrelationships are discussed. The proper status and delimitation of the two species sure made with the help of pollen morphology and SEM studies of spermoderm of the seeds.Full Text
- A Vanishing Endemic Cycad of Indian Peninsula
Abstract Views :189 |
PDF Views:110
Authors
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 28, No 1-4 (1986), Pagination: 169-170Abstract
The evergreen palm-like cycads comprise species ca 20 species in wild or cultivation throughout the tropics and subtropics of the world. There are only 5 species of Cycas L. in India. Cycas beddomei Dyer is endemic to the Eastern Ghats of India with a limited distributional range covering the Cuddapah and Tirupati Hills of Andhra Prdesh. Geologically these hills are part of the 'chegyar' sub-series of cuddapah formation belonging to the erstwhile landmass of gondwanaland.Full Text
- Phytoplanktonig Studies in River Hooghly
Abstract Views :146 |
PDF Views:135
Authors
B. C. Sabata
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 219-221Abstract
The river Hooghly flowing through Calcutta and Howrah has a high degree of pollutants. Present study revealed the sources of pollution with phytoplanktonic abundance in the stream. Samples were collected from 5 sites near Howrah and Calcutta from June 1985 to May 1986. Members of Bluegreen algae, Bacillariophyceae and Chlorophyceae were found during the study. Changes in physicochemical parameters due to pollution were observed. Several parameters were responsible directly and indirectly which occurred in Phytoplankton, population. A correlation between biological examination and chemical examination of river water has been made.Full Text
- A New Species of Ardisia (Myrsinaceae) from Burma
Abstract Views :180 |
PDF Views:109
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 222-224Abstract
The paper presents the description of a new species from Burma with illustration.Full Text
- Parardisia - A New Genus in the Family Myrsinaceae with Two Species
Abstract Views :136 |
PDF Views:116
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanicel Survey of India, Calcutta, IN
1 Botanicel Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 28, No 1-4 (1986), Pagination: 247-252Abstract
The, paper presents description of a new genus namely Parardisia based on Ardisia involucrata Kurz alonwith another new species from Borneo. Illustration and Key for the two species is also appended here for easy identification.Full Text
- Neotype of Meconopsis Longipetiolata G. Tayl. Ex Hay (Papaveraceae) and some Additional Note
Abstract Views :141 |
PDF Views:115
Authors
H. S. Debnath
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 244-245Abstract
No Abstract.Full Text
- Catamixis Baccharoides Thoms.-an Endemic Chasmophyte of the W. Himalaya Undex Threat
Abstract Views :158 |
PDF Views:150
Authors
M. P. Nayar
1,
M. Ahmedullah
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 248-248Abstract
No Abstract.Full Text
- Lectotypification of Camellia Lutescens Dyer (Theaceae)
Abstract Views :138 |
PDF Views:114
Authors
T. K. Paul
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 255-255Abstract
No Abstract.Full Text
- Status of Olax Wightiana Wall. Ex Wight & Arn
Abstract Views :142 |
PDF Views:111
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 257-258Abstract
No Abstract.Full Text
- A Scanning Electron Microscope Survey of Seed Surface Morphology of some Taxa of Malvaceae
Abstract Views :185 |
PDF Views:157
Authors
T. K. Paul
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 29, No 1-4 (1987), Pagination: 226-252Abstract
Seeds of 54 taxa under 17 genera of the family Malvaceae were examined with scanning electron microscope (SEM) and compared. The variation in seed coat pattern differs from species to species even in infraspecific level. Malva the type genus of this family shows rectangular spermoderm celts and fhese are arranged in scalariform pattern but in M. mauritiana. the epidermal cells coincidentally have developed irregular surface.The difference between the genera Alcea and Althaea, the separation of Dicellostyles jujubifolia from the genus Kydia, placing of Urena sinuata as subspecies of U. lobata and establishing of Abelmoschus tuberculatus var. deltoidefolius have been supported.Full Text
- A New Variety of Maesa Forsk. (Myrsinaceae) from Andaman
Abstract Views :137 |
PDF Views:91
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 263-264Abstract
No Abstract.Full Text
- In Memoriam : Dr E. K.- Janaki Ammal (1897-1984)
Abstract Views :123 |
PDF Views:104
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 27, No 1-4 (1985), Pagination: 265-268Abstract
No Abstract.Full Text
- In Situ Conservation of Wild Flora Resources
Abstract Views :141 |
PDF Views:168
Authors
Affiliations
1 Botanical Survey of India, Calcutta, IN
1 Botanical Survey of India, Calcutta, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 29, No 1-4 (1987), Pagination: 319-333Abstract
No Abstract.Full Text
- Changing Patterns of the Indian Flora
Abstract Views :173 |
PDF Views:241
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 19, No 1-4 (1977), Pagination: 145-155Abstract
No Abstract.Full Text
- Endemic Flora of Peninsular India and its Significance
Abstract Views :290 |
PDF Views:197
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 22, No 1-4 (1980), Pagination: 12-23Abstract
There is comparatively high degree of endemism in Peninsular India and thus the flora is distinct. Blasco (1971) has estimated about 1,268 endemic dicotyledons in South India. The Peninsular India has an endemic concentration of 32% while rest of India has about 27% endemics. Out of the 304 families of flowering plants recorded from India, there is not a single endemic family. In this paper the phytogeography of endemic genera and characteristic endemic species of Peninsular India are analysed in relation to its distribution and affinities. The distribution is also analysed in relation to plate tectonics.The endemic angiosperms of Peninsular India consist of about 56 genera and they are distributed over 25 families. The families with the largest numbr of endemic genera are Gramineae (10 genera) and Acanthaceae (9 genera). There are about 2100 endemic species in Peninsular India of which 890 are woody species, 254 semi-woody and the rest 859 are herbaceous species. The endemic flora of Peninsular India is considered to be old one and the nature of endemics is analysed in terms of phytogeography, taxonomy and palaeobotany. The dynamics of characteristic endemic genera and their speciation is given. According to the analysis, majority of the endemics are palaeoendemics belonging to humid tropic belt. Wherever interphase of climatic shifts occur with different ecotones some endemic genera show epibiotic speciation.
Full Text
- The Status of Hibiscus Furcatus Roxburgh
Abstract Views :139 |
PDF Views:139
Authors
T. K. Paul
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 22, No 1-4 (1980), Pagination: 194-195Abstract
No Abstract.Full Text
- Notes on Hibiscus hirtus L. and H. talbotii (Rakshit) T. K. Paul Et Nayar (Malvaceae)
Abstract Views :129 |
PDF Views:127
Authors
T. K. Paul
1,
M. P. Nayar
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 22, No 1-4 (1980), Pagination: 197-198Abstract
No Abstract.Full Text
- A Synopsis of the Genus Tribulus Linn. (Zygophyllaceae) in India
Abstract Views :126 |
PDF Views:114
Authors
M. P. Nayar
1,
G. S. Giri
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 24, No 1-4 (1982), Pagination: 160-164Abstract
A synoptic review of the genus Tribulus in India is presented with key. The identity of Tribulus terrestris and T. lanuginosus is also discussed.Full Text