Impatiens pyrorhiza (Balsaminaceae), a new species from East Himalaya

16 March 2017

Liden, Magnus; Bharali, Pankaj

Impatiens pyrorhiza sp. nov. from the Tawang and West Kameng districts in Northwest Arunachal Pradesh, India, is described and compared with related species. It is similar to I. gamblei from E Nepal and NW Darjeeling, but differs in for example: a) rhizome extended, orange, much-branched, b) leaves with numerous teeth, c) petiole base with prominent glands, d) raceme supported by subtending leaf and e) lateral sepals without an apical divergent extended callosity.