Impatiens Ashihoi, a new species of Balsaminaceae from Dibang Valley of Arunachal Pradesh, India

Abstract

Impatiens ashihoi Gogoi & Borah (Balsaminaceae), a new species from the Lower Dibang valley district in Arunachal Pradesh, India, is described and illustrated. The new species is similar to I. bracteolata Hook.f. but differs in having horn-like stipular glands at the base of petiole, leaves lanceolate to elliptic lanceolate, ventral side of leaf purplish-green with prominent white midrib, prominent awn or appendage in the apex of bract and lateral sepals, awn or appendage in the mouth of lower sepal. It is also similar to I. drepanophora Hook.f. but differs in having horn like stipular glands at the base of petiole, dorsal side of leaf wine red in colour, ventral side of leaf purplish-green with white midrib, lamina lanceolate to elliptic lanceolate.