Impatiens gongchengensis (Balsaminaceae), a new species from Guangxi, Southern China

Impatiens gongchengensis Z.C. Lu, B. Pan & Yan Liu is described and illustrated as a new species in northeastern Guangxi, China. This new species is similar to Impatiens platychlaena Hook.f., Impatiens soulieana Hook.f. and Impatiens faberi Hook.f., but differs in having stipitate glands at leaves base, 4-5 pairs of lateral veins, pale purple or purple-red flowers and the shape of the flower.