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Dey, Monalisa
- A New Lopholejeunea (Spruce) Schiffn. (Hepaticae:Lejeuneaceae) from India
Authors
1 Botanical Survey of India, Central National Herbarium, Howrah 711 103, IN
2 Botanical Survey of India, Salt Lake City, Kolkata 700 064, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 53 (2011), Pagination: 197-200Abstract
The genus Lopholejeunea (Spruce) Schiffn. is globally represented by 30 species referable to three subgenera viz., subgenus Pholianthus B.M. Thiers & Gradst. (with a single species confined to Australia and New Zealand), subgenus Pteryganthus B.M. Thiers (with four species confined to East Africa) and subgenus Lopholejeunea (with 25 species distributed all over the tropics, 17 of which occur in Asia) (Zhu & Gradstein, 2005). In India Awasthi & al. (2000) and Singh & Nath (2004) recorded 11 species and two varieties distributed in Eastern Himalaya (8 taxa), Western Ghats (7 taxa), Western Himalaya, Central India and the Andaman & Nicobar Islands (one species each). However, Zhu and Gradstein (2005), who further grouped the Asiatic species of the subgenus Lopholejeunea into sections Lopholejeunea (with 9 species characterized by the apex of leaf lobule attached to the leaf lobe across 2-8 cells) and Eulophae Verd. (with 8 species characterized by the leaf lobule attached to the leaf lobe across a single cell), recognised only 5 species from the country viz., L. applanata (Reinw. & al.) Schiffn., L. eulopha (Taylor) Schiffh. [=L. nicobarica Steph.] and L. nigricans (Lindenb.) Schiffh. [=L. abortiva (Mitt.) Steph. var. abortiva, L. abortiva var. doliiformis U.S. Awasthi & al., L. javanica (Nees) Schiffn., L. kashyapii U.S. Awasthi & al., L. sikkimensis Steph. var. dentata U.S. Awasthi & al., L. sikkimensis Steph. var. sikkimensis] belonging to sect. Eulophae, and L. recurvata Mizut. and L. subfusca (Nees) Steph. [=L. nilgiriensis U.S. Awasthi & al. and L. indica Udar & U.S. Awasthi] belonging to sect. Lopholejeunea. Later S.K. Singh & D.K. Singh (2006) described a new variety, L. sikkimensis var. tenuicostata Sushil K.Singh & D.K. Singh from the Western Himalaya, whereas Singh and Nath (2006) described L. nongstoinii A.P.Singh & V. Nath from the Eastern Himalaya.
During recent studies on the epiphyllous liverworts of Eastern Himalaya, an interesting population of the genus, referable to sect. Lopholejeunea, was observed in West Siang district of Arunachal Pradesh, which on the basis of comparative evaluation of morphological characters of species hitherto known under this section merit the status of a new species.
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- A Synoptic Flora of Liverworts and Hornworts of Manipur
Authors
1 Botanical Survey of India, Central National Herbarium, Howrah 711 103, IN
2 Botanical Survey of India, CGO Complex, Salt Lake City, Kolkata 700 064, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 52 (2010), Pagination: 9-52Abstract
The flora includes 111 species and one variety belonging to 46 genera and 20 families of liverworts and seven species belonging to three genera in family Anthocerotaceae of the hornworts from Manipur. Of these 92 taxa (91 species and 01 variety) are recorded for the first time from the State of Manipur. Bazzania orientalis (Steph.) Parihar, is new to the Himalayan region, whereas Porella madagascariensis (Nees & Mont.) Trevis. and Phaeoceros kashyapii A.K. Asthana & S.C. Srivast are new to the East Himalayan bryo-geographical region.Keywords
First Records, Liverworts, Hornworts, Manipur, Synoptic Key.Full Text
- A Preliminary Survey of Hepaticae of Little Andaman Island
Authors
1 Botanical Survey of India, Central National Herbarium, Howrah 711 103, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 52 (2010), Pagination: 125-130Abstract
The Little Andaman Island lies a little towards the south of the Great Andaman group (North, Middle and South Andaman) from which it is separated by the Duncan Passage and covers an area of 739 sq. km. It is separated from the Nicobars by the 10° (Ten Degree) Channel. The climate is warm and humid tropical with the temperature ranging between 20°-32° C. The island receives rainfall twice a year, between May-September from the Southwest monsoon and October-December from the Northeast monsoon, resulting in an average annual rainfall of 3000-3500 mm. The mean relative humidity is between 82-85% throughout the year (Banerjee & Guha Roy, 2002).
During a recent collection of liverworts from Little Andaman Island, an area which has not so far been investigated for its bryoflora, 12 species were collected belonging to family Lejeuneaceae (11 species) and Marchantiaceae (01) species. This includes Cololejeunea gottschei (Steph.) Mizut., Lejeunea anisophylla Mont, and Marchantia linearis Lehm. & Lindenb. As new records for the bryoflora of Andaman & Nicobar Islands.
All the specimens cited in the text have been deposited in the Cryptogamic section of the Central National Herbarium, Botanical Survey of India, Howrah (CAL).
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- A New Species of Drepanolejeunea (Marchantiophyta:Lejeuneaceae) from India
Authors
1 Botanical Survey of India, Eastern Regional Centre, Shillong - 793003, IN
2 Botanical Survey of India, Central National Herbarium, Howrah - 711 103, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 54 (2012), Pagination: 20-23Abstract
A new epiphyllous liverwort species, Drepanolejeunea devendrae is described and illustrated here from Umiam, Ribhoi District, Meghalaya.Keywords
Drepanolejeunea devendrae, New Species, India.Full Text
- Genus Tuyamaella S. Hatt. (Lejeuneaceae) in India
Authors
1 Botanical Survey of India, CGO Complex, 3rd MSO Building, Block F (5th floor), Salt Lake Sector I, Kolkata 700 064, IN
2 Botanical Survey of India, Central National Herbarium, Howrah 711 103, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 52 (2010), Pagination: 135-137Abstract
Tuyamaella S. Hatt, a small genus represented by six species and two varieties, is distributed in Asiatic and oceanic region (Zhu & So, 2000a, 2001). Of these, one species and two varieties are endemic to their respective countries, viz. T. borneensis Tixier (Indonesia), T. molischii (Schiffn.) S. Hatt. var. brevistipa P.C. Wu & P.J. Lin (China), T. molischii (Schiffn.) S.Hatt. var. taiwanensis R.L. Zhu & M.L. So (Taiwan), T. hattorii Tixier is restricted to Vietnam and Laos, T. jackii (Steph.) Tixier is restricted to Vietnam and Kampuchea. The remaining three species show an extended range of distribution, viz. T. angulistipa (Steph.) R.M. Schust. & Kachroo (China, Indonesia, Malaysia, Vietnam, Kampuchea, Papua New Guinea), T. molischii (Schiffn.) S. Hatt. var. molischii (China, Japan, Malaysia, Vietnam) and T. serratistipa S. Hatt. (Indonesia, Papua New Guinea, Philippines, Malaysia, New Caledonia) (Tixier, 1973; Zhu & So, 1998, 2000a, b, 2001). The earlier record of T. angulistipa (= Pycnolejeunea angulistipa Steph.) from India by Chopra (1943) based on Stephani's (1914) report from India Orientalis (Perak) appears to be erroneous. Perhaps for this reason the genus does not find any mention in the recent review on Indian Lejeuneaceae in India (Asthana, 2007).
During the course of studies on the epiphyllous liverworts of Eastern Himalaya, the authors came across an interesting collection belonging to family Lejeuneaceae from West Siang district of Arunachal Pradesh which differed from all the known taxa of the family from India. Subsequent morpho-taxonomic studies on the plants followed by review of relevant literature (Tixier, 1973; Zhu & So, 1998, 2000a, b, 2001) revealed them to be Tuyamaella serratistipa S. Hatt., a species so far known from Indonesia, Papua New Guinea, Philippines, Malaysia and New Caledonia (Zhu & So, 1998, 2000b).
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- Cololejeunea longiana Grolle & Mizut. - An Addition to Indian Bryoflora from Darjeeling, West Bengal
Authors
1 Botanical Survey of India, Central National Herbarium, Howrah - 711 103, IN
2 Botanical Survey of India, CGO Complex, 3rd MSO Building, Salt Lake City, Sector I, Kolkata - 700 064, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 50, No 1-4 (2008), Pagination: 209-211Abstract
No Abstract.Full Text
- Lejeunea papilionacea Steph. (Hepaticae:Lejeuneaceae) - An Addition to Indian Bryoflora from East Sikkim
Authors
1 Botanical Survey of India, Central National Herbarium, Howrah - 711 103, IN
2 Botanical Survey of India, CGO Complex, Salt Lake City, Kolkata - 700 064, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 50, No 1-4 (2008), Pagination: 212-215Abstract
No Abstract.Full Text
- Two Noteworthy Species of Cololejeunea (Marchantiophyta: Lejeuneaceae) from Mizoram
Authors
1 Botanical Survey of India, Eastern Regional Centre, Shillong-793003, IN
2 Botanical Survey of India, Central National Herbarium, Howrah-711 103, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 56 (2014), Pagination: 273-277Abstract
No Abstract.Full Text
References
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- SINGH, D., M. DEY AND G.K. UPADHYAY. 2010b. A preliminary survey of Hepaticae of Little Andaman Island. Nelumbo 52: 125-130.
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- Saccogyna Darjeelingensis (saccogynaceae: Marchantiophyta) – A New Species from Eastern Himalaya, India with a New Generic Record for Indian Bryoflora
Authors
1 Botanical Survey of India, Sikkim Himalayan Regional Centre, Gangtok 737 103, IN
2 Department of Botany, Parimal Mitra Smriti Mahavidyalaya, Mal, Jalpaiguri 735 221, IN
Source
Current Science, Vol 123, No 2 (2022), Pagination: 145-147Abstract
No abstract.Keywords
No keywords.Full Text
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