Samiran Panday

Budge Budge College Kolkata · Department of Botany

Maesa kurzii Mez (Primulaceae) is rediscovered from Namdapha National Park of Arunachal Pradesh in India, after a gap of nearly 150 years, after the initial collection of type material from Patkoye Mountain. The present collection extends the distributional range of the species to the northeastern region of the country. A detailed taxonomic account...

Chiloschista usneoides (D. Don) Lindl. (Orchidaceae), a less known Himalayan Orchid has been assessed for its red list status in Indian perspective. It has been assessed as ‘Endangered’ as per the IUCN guidelines. Habitat management and ex-situ conservation is proposed for its conservation.

The species Ainsliaea fulvipes Jeffrey et W. W. Sm. (Asteraceae) erstwhile considered as endemic to China is reported here first time from Zemithang, Arunachal Pradesh (India). Detailed descriptions, along with habitat photographs are provided to facilitate its easy identification.

Four lesser-known species viz. Alangium alpinum (C.B. Clarke) W.W. Sm. & Cave (Cornaceae), Euphrasia officinalis L. (Orobanchaceae), Geranium refractum Edgew. & Hook.f. (Geraniaceae) and Sedum filipes F.B. Forbes & Hemsl. (Crassulaceae) are collected from Zemithang and Bumla area of the Tawang district of Arunachal Pradesh and reported here first t...

The present study was conducted in the Namdapha National Park (NNP), eastern Himalaya which is India’s largest Dipterocarpus dominant lowland tropical rainforest. The aim of this study was to examine the spatial pattern of climber species composition and its relationship with tree and environment attributes. Field data was collected by establishing...

The present study deals with first-hand information on quantitative assessments of different vegetation layers (viz. trees, saplings, seedlings, shrubs and herbs) collected from 57 permanent plots (size 400 m 2), established for long-term monitoring of biodiversity and study of functional aspects in Namdapha National Park (NPP), Arunachal Pradesh,...

Trigonostemon viridissimus var. chatterjii (Deb & G.K. Deka) N.P. Balakr. & Chakrab. (Euphorbiaceae), a rare and endemic taxon is reported here as a new distributional record for the state Arunachal Pradesh. It was earlier known only from two localities of Meghalaya in India. Detailed taxonomic description along with field photographs are provided...

Thirty-three taxa of angiosperms which were collected from Phawngpui (Blue Mountain) National Park, are reported as new distributional records for the flora of Mizoram, India. Among those taxa, eight genera like Acalypha L., Agrimonia L., Lecanthus Wedd., Pegia Colebr., Richardia L., Stellaria L., Theropogon Maxim. and Veronica L. are recorded firs...

Two varieties, Trigonostemon viridissimus var. chatterjii (Deb & Deka) N.P.Balakr. & Chakrab. and T. viridissimus var. confertifolius N.P.Balakr. & N.G.Nair, recently merged with the species, are reinstated herein. This paper also points out the first effective lectotypifications of seven accepted names (or their basionyms) in Indo-Burmese Trigonos...

une curieuse orchidée terrestre, a été observée en Arunachal Pradesh, Inde. Bien que l'espèce ait été mentionnée dans la littérature antérieure comme présente dans cet état, la présente collection en constitue le premier spécimen réel collecté en Inde. Pour faciliter son identification sur le terrain, nous proposons ici une brève description de l'e...

Codonopsis bhutanica Ludlow, a lesser-known endemic species to central and eastern Himalaya, collected for the first time from Arunachal Pradesh, India. The species was previously known only from Bhutan and Nepal. The species is reported here with a detailed taxonomic description along with habitat image, a photo-plate illustrating different featur...

Peristylus orbicularis (Hook.f.) Agrawala, H.J. Chowdhery & S. Choudhury, a short-lived, terrestrial orchid, is reported here as a new distributional record for Arunachal Pradesh. The species was earlier recorded only from Darjeeling and Sikkim. A brief description containing diagnostic features of the species is provided for easy identification. I...

Corallodiscus cooperi (Craib) B.L. Burtt is reported here as a new record for India. The IUCN Red-listed Vulnerable species was earlier known only from Bhutan and has been collected for the first time from outside the country, from Zemithang Valley of Arunachal Pradesh. A detailed description along with images and notes are provided to facilitate i...

Brandisia rosea W.W. Sm. var. flava C.E.C. Fisch., a less known plant has been recollected after a period of more than half century from Arunachal Pradesh, India. A detailed taxonomic description along with photographic illustration, and distribution map is provided to facilitate future identification. Lectotypification of the name is proposed alon...

Bretschneidera sinensis Hemsley, an IUCN Red Listed Endangered tree species has been collected from Namdapha National Park and Tiger Reserve, Arunachal Pradesh, India which constitutes the first distributional record of the monotypic genus Bretschneidera and the family Akaniaceae in India. Lectotypification of the name Bretschneidera sinensis propo...

Recollection of Erythroxylum sinense (Erythroxylaceae) after a gap of nearly four decades, collected from Shella, Meghalaya, India.

Two species of Valeriana Linnaeus viz. V. hardwickii Wallich and V. jatamansi Jones (Valerianaceae), which were collected by authors from Phawngpui (Blue Mountain) National Park, recorded as new distributional records for the flora of Mizoram.

Phawngpui (Blue Mountain) National Park comes under Lawngtlai district of Mizoram state, is a part of Indo-Myanmar hot spot having a total area of 50 sq. km. During the scientific tour to the National Park the authors collected some interesting species of legumes of which six species viz. Aeschynomene americana L., Crotalaria dubia Grah. ex Benth.,...

A preliminary survey on pteridophytic flora of Tawi Wildlife Sanctuary, Mizoram has been carried out and a total of 37 taxa are enumerated. This includes 11 taxa viz., Microlepia firma Mett. ex Kuhn, Lindsaea odorata Roxb., Aleuritopteris subdimorpha (C.B. Clarke & Baker) Fraser-Jenk., Coniogramme serrulata Fee, Pteris arisanensis Tagawa, P. subind...

During the botanical exploration tour to Phawngpui Blue Mountain National Park, Mizoram in the year 2011, an interesting species of Impatiens i.e. Impatiens monticola (Balsaminaceae) is collected. The species is reported here as a new distributional record for India. It was earlier reported only from two localities of China viz. Chongqing and Sichu...

Three species of orchids viz. Dendrobium darjeelingensis Pradhan, Eria vittata Lindl. and Trichotosia dasyphylla (E.C. Parish & Rchb. f.) Kraenzl. are recorded for the first time from the state of Mizoram. The photographs of all species are provided along with taxonomic description.

During the floristic explorations in the Gibbon Wildlife Sanctuary, Assam, India, Iodes hookeriana is recollected after a gap of 78 years. It was last collected from Umteswar forest, Meghalaya in 1936 by S.R. Sarma.

Pteridophytic flora of Ngengpui Wildlife Sanctuary, Mizoram has been carried out. A total of 33 species belonging to 21 genera and 18 families are enumerated for the first time from the sanctuary. This includes three new distributional records viz., Nephrolepis exaltata (L.) Schott, Pleocnemia submembranacea (Hyata) Tagawa & K. Iwats. and Tectaria...

A preliminary study on pteridophytic flora of Khawnglung Wildlife Sanctuary, Mizoram has been carried out. A total of 33 species are enumerated for the first time from the Sanctuary. This includes three new distributional records viz., Leptochilus pedunculatus (Hook. & Grev.) Fraser-Jenk., Phymatosorus cuspidatus (D.Don) Pic. Serm., Microlepia hanc...

Epirixanthes elongata Blume (Polygalaceae), the rare tiny mycoheterotrophs collected from Mizoram, India. The plant is poorly represent in Indian herbaria because it is easily overlooked by field botanists due to its brownish red body and yellow-brown inflorescence, which gets disguised in the leaf litter.

Five species of angiosperms Agapetes affinis (Griff.) Airy Shaw (Ericaceae), Delphinium altissimum Wall. (Ranunculaceae), Gomphostemma velutinum Benth. (Lamiaceae), Peperomia heyneana Miq. (Piperaceae) and Suregada multiflora (A. Juss.) Baill. (Euphorbiaceae) are reported as new distributional records for the state.

Two less known orchid species viz. Phalaenopsis deliciosa Rchb.f. (new record for Meghalaya) and Porpax gigantea N. C. Deori are reported and described.

The orchids conserved in the Experimental Botanical Garden, Barapani and Orchidarium at Woodland campus of BSI, ERC, Shillong are enumerated. A total of 269 species belonging to 76 genera are recorded, including nine endemic species. 205 species grow as epiphytic and the remaining sixty four species as terrestrial. A short description, phenology an...

Recently, the authors have recorded Sapria himalayana, for the first time from Mizoram. Plants were seen in blooming on the shaded forest floor with moist humus soil in the Tawi Wildlife Sanctuary, Aizwal, located in the northeastern part of the state at altitudes ranging from 400 to 1700 m. The fleshy, globose flower buds of this root-parasite are...

Species like Lysimachia deltoidea Wight (Primulaceae), Sauropus macrophyllus Hooker f. (Euphorbiaceae) and Utricularia furcellata Oliver (Lentibulariaceae) are collected from Phawngpui National Park (Blue Mountain), Lawngtlai District of Mizoram and are reported first time for the State. The same have been described along with photographs.

The paper deals with a note on a taxonomic account of genus Streblus Lour. in Northeast India. The genus Strebulus Lour. represents five species so far from India viz., Streblus asper L., Streblus ilicifolius (S. Viodal) Corner, Streblus indicus (Bureau) Corner, Streblus taxoides (Roth) Kurz and Streblus zeylanicus (Thwaites) Kurz. Out of these, th...

Bulbophyllum picturatum (G. Lodd.) Rchb.f., a rare orchid species has been recollected after a period of 86 years from Mizoram, India. A detailed taxonomic description along with photographic illustration is provided to facilitate its easy identification.

Two species namely Phryma leplostachya L. (Phrymaceae) and Fissistigma bicolor Merr. (Annonaceae) were collected from Phawngpui (Blue Mountain) National Park, Lawngtlai District and Dampa Tiger Reserve, Mamit District respectively of Mizoram and are reported as new record for the State.

Caulokaempferia linearis (Wallich) K. Larsen has been collected from Mowlingdong (c. 438 m), East Khasi Hills district of Meghalaya after a long gap of more than half a century. Detailed description, phenology and distribution are provided in the present communication.

Diplomeris pulchella D. Don (Orchidaceae) is recollected from Meghalaya after 50 years and has been enumerated here with detailed morphological characters, ecology, phenology and distribution along with coloured photo-plate.

The present paper deals with the taxonomic account of genus Ancistrocladus Wallich ex Wight & Arnott from Northeast India. Of the three species recorded so far from Northeast India, A. heyneanus Wallich ex J. Graham is reported for the first time from the Indian state of Meghalaya and A. tectorius (Loureiro) Merrill is reported as extended distribu...

Campanumoea javanica Blume [Campanulaceae], is reported here from Phawngpui National Park (Blue Mountain), Lawngtlai district, Mizoram, a recollection in Mizoram after more than 80 years from a different locality. The species has been described and illustrated in the present communication

The Lycianthes laevis (Dunal) Bitter [Solanaceae] is collected from Dampa Tiger Reserve, Mamit District, Mizoram and is reported as new record for the State.