Endemics in Family Order

Acanthaceae
Cardanthera uliginosa var birbhumensis
Hygrophila bengalensis
Peristrophe bicalyculata
Phlogacanthus tubiflorus

Adoxaceae
Viburnum colebrookianum

Annonaceae
Goniothalamus shraddhae
Mitrephora tomentosa

Apiaceae
Homalomena aromatica
Oenanthe benghalensis
Rhaphidophora grandis
Rhaphidophora hookeri

Apocynaceae
Pergularia exilis

Araceae
Lagenandra gomezii

Araliaceae
Hydrocotyle himalaica

Arecaceae
Trachycarpus martianus subsp. latisectus

Aristolochiaceae
Aristolochia saccata

Asteraceae
Vernonia peguensis
Vernonia thomsonii

Begoniaceae
Begonia hatacoa

Boraginaceae
Tournefortia viridiflora

Clusiaceae
Garcinia lanceifolia

Convolvulaceae
Cuscuta sharmanum

Cucurbitaceae
Gomphogyne cissiformis

Ebenaceae
Diospyros variegata

Eriocaulaceae
Eriocaulon hamiltonianum var. minor

Euphorbiaceae
Croton joufra
Eriococcus hamiltonianus
Mallotus roxburghianus

Fabaceae
Acacia gageana
Dalbergia duarensis
Dalhousiea bracteata
Millettia pachycarpa
Phaseolodes caudatum

Hypericaceae
Hypericum assamcum
Hypericum benghalense

Lamiaceae
Holmskioldia sanguinea
Vitex canescens

Lauraceae
Actinodaphne obovata
Beilschmiedia roxburghiana

Loranthaceae
Helixanthera ligustrina
Macrosolen psilanthus shrub

Lythraceae
Cuphea carthagenensis

Malvaceae
Pentapetes phoenicea

Menispermaceae
Pycnarrhena planiflora

Moraceae
Ficus geniculata

Oleaceae
Jasminum dispermum

Orchidaceae
Bulbophyllum roxburghii
Coelogyne fuscescens var. viridiflorum
Dendrobium aphyllum
Dendrobium darjeelingensis
Herminium kalimpongensis

Pandanaceae
Pandanus foetidus

Phyllanthaceae
Phyllanthus mukerjeeanus

Piperaceae
Peperomia pellucida

Poaceae
Bambusa balcooa
Bambusa tulda
Dendrocalamus hamiltonii

Primulaceae
Ardisia paniculata

Rosaceae
Rubus assamensis

Rubiaceae
Ixora acuminata
Ixora athroantha
Ixora subsessilis
Myrioneuron nutans
Polyura geminata
Psychotria fulva var. monticola
Spermacoce alata
Uragoga denticulata
Wendlandia puberula

Rutaceae
Citrus aurantium
Glycosmis cymosa
Glycosmis lucida
Paramignya griffithii

Salicaceae
Casearia glomerata
Guidonia vareca

Sapindaceae
Acer osmastonii

Smilacaceae
Smilax ovalifolia

Urticaceae
Debregeasia squamata fo. etuberculata

Verbenaceae
Gumira pinguis

Vitaceae
Cayratia trifolia
Tetrastigma obovatum

Zingiberaceae
Globba multiflora
Zingiber chrysanthum


Endemics in Alphabetical Order

Acacia gageana
Acer osmastonii
Actinodaphne obovata
Ardisia paniculata
Aristolochia saccata
Bambusa balcooa
Bambusa tulda
Begonia hatacoa
Beilschmiedia roxburghiana
Bulbophyllum roxburghii
Cardanthera uliginosa var birbhumensis
Casearia glomerata
Cayratia trifolia
Citrus aurantium
Coelogyne fuscescens var. viridiflorum
Croton joufra
Cuphea carthagenensis
Cuscuta sharmanum
Dalbergia duarensis
Dalhousiea bracteata
Debregeasia squamata fo. etuberculata
Dendrobium aphyllum
Dendrobium darjeelingensis
Dendrocalamus hamiltonii
Diospyros variegata
Eriocaulon hamiltonianum var. minor
Eriococcus hamiltonianus
Ficus geniculata
Garcinia lanceifolia
Globba multiflora
Glycosmis cymosa
Glycosmis lucida
Gomphogyne cissiformis
Goniothalamus shraddhae
Guidonia vareca
Gumira pinguis
Helixanthera ligustrina
Herminium kalimpongensis
Holmskioldia sanguinea
Homalomena aromatica
Hydrocotyle himalaica
Hygrophila bengalensis
Hypericum assamcum
Hypericum benghalense
Ixora acuminata
Ixora athroantha
Ixora subsessilis
Jasminum dispermum
Lagenandra gomezii
Macrosolen psilanthus shrub
Mallotus roxburghianus
Millettia pachycarpa
Mitrephora tomentosa
Myrioneuron nutans
Oenanthe benghalensis
Pandanus foetidus
Paramignya griffithii
Pentapetes phoenicea
Peperomia pellucida
Pergularia exilis
Peristrophe bicalyculata
Phaseolodes caudatum
Phlogacanthus tubiflorus
Phyllanthus mukerjeeanus
Polyura geminata
Psychotria fulva var. monticola
Pycnarrhena planiflora
Rhaphidophora grandis
Rhaphidophora hookeri
Rubus assamensis
Smilax ovalifolia
Spermacoce alata
Tetrastigma obovatum
Tournefortia viridiflora
Trachycarpus martianus subsp. latisectus
Uragoga denticulata
Vernonia peguensis
Vernonia thomsonii
Viburnum colebrookianum
Vitex canescens
Wendlandia puberula
Zingiber chrysanthum


Summary

Included here is the lowlands of the lower courses of the Ganges and Brahmaputra, the lowlands of Orissa north of the Mahanadi River and the tropical parts of Assam, Manipur, Nagaland and Tripura. A major part is the Bengal Delta, one of the largest in the World.

Of the endemic and near endemic vascular plants so far recorded there are 82 species in 73 genera and 44 families but no endemic genera or families. However, further information is required because endemic genera have apparently been recorded.

References

Bora, P. J. & Kumar, Y. 2003. Floristic diversity of Assam. Study of Pabitora Wildlife Sanctuary. Daya Publishing House, Delhi.

Giri, G. S. & Nayar, M. P. 1983, Some Threatened Plants of Bengal Plains. In: An assessment of the threatened plants of India. Eds. S. K. Jain and R. R. Rao.Botanical Survey of India. Botanic Garden Howrah.

Kundu, S. R. 2004. Studies on the endemic plants of West Bengal. Geobios, 31: 61-64.

Nayar, M. P. 1996. “Hot Spots” of endemic plants of India, Nepal and Bhutan. Tropical Botanic Garden and Research Institute. Palode, Thiruvananthapuram.

Rao, A. S. 1974. The vegetation and phytogeography of Assam-Burma. In: Ecology and Biogeography in India. Ed. M. S. Mani, 178-196. Dr W. Junk B. V. Publishers The Hague.

Uddin, M. Z. & Hassan, M. A. 2004. Flora of Rem-Kelenga Wildlife Sanctuary. IUCN – The World Conservation Union. Bangladesh Country Office.