Studies of Sino Himalayan Impatiens (Balsaminaceae) II. A new species and a new form similar to Impatiens racemosa DC. from Nepal Himalaya.

A new species of Impatiens, I. recticalcarata S. Akiyama (Balsaminaceae), with a new form, f. alba S. Akiyama (Balsaminaceae), from the Sino Himalaya region of Nepal, is described and illustrated. Impatiens recticalcarata is similar to I. racemosa DC. but differs in having the straight spur and the wide, semiovate distal lobes of the lateral united petals and lacks red dots. A comparison table of the species similar to I. racemosa in Nepal is given.