The present study provides the ethnomedicinal-lore of West District of Sikkim Himalaya and it’s variety of tribals they are using these wild ethnomedicines in their daily life for the common health problems. The current study reveals the rarely known ethnomedicinal plants collected from the same region with their utility in regular ailments and it has been made during plant samples collection from West Sikkim forest area to CDRI, for primary biological screening programme to find out new drug molecules for the development of new drugs. The current field survey gives an enumerative account of 25 plant species, belonging to 21 families which are being used by the local tribal inhabitants of the same area for the treatment of various common ailments. Each plant is enumerated alphabetically with correct binomial, vernacular name, family, part used, mode of administration and dose duration of the herbal medicinal preparations are properly documented and given here to enrich the authenticity and value addition for further research.

Present observations reveal that the hypocotyl length of Bauhinia malabarica Roxb. may be up to 5 cm. Das & Paria (in Feddes Repert. 110 (5-6) : 375-379. 1999) utilised the shorter hypocotyl length of the said species as one of the seedling morphological features, to distinguish it from B. acuminata L. and B. tomentosa L. but it is not tenable in the light of the present findings. As regards the form of hypocotyl of B. malabarica, it is terete, becoming tetrangular and grooved near the foliar cotyledons.

A new variety of Ecbolium ligustrinum (Acanthaceae) has been described in this paper.

The study records the folk-lore of 130 species of Nepalese legumes. Of them, 41 species of wild legumes are used for food and 14 species for fodder. Likewise, 118 species are valued in local therapy to treat 52 types of disease. These total legumes include 10 cultivated species which have ethnobotanical uses. However,other useful notes on fish-poison, snake-bite, scorpion-sting and washing body and clothes are also mentioned.

From the seeds of Pongamia pinnata (L.) Pierre a new component has been isolated and identified as 4’-phenyl-butanyl-4-hydroxy-3-methoxy-benzoate. Its structure has been characterized by chemical and spectroscopic (IR, 1HNMR, MS) methods.