Impatiens glandulifera	Impatiens balfourii	Impatiens edgeworthii	Impatiens tricornis
tall plants, up to 2(-3) m	medium-sized plants, up to 1 m	medium-sized plants, up to 1 m	tall plants, up to 2(-3) m
flowers pink to purple, rarely white, spur small and straight	flowers pink and white, spur straight	flowers pink, purple, yellow and/or white, spur recurved	flowers yellow with reddish spots, spur recurved, secondary spur on upper corolla leaf
leaves opposite, glands at nodes, stem glabrous	leaves alternate, stem pale green, glabrous	leaves alternate, stem with purplish tinge, glabrous	leaves alternate, stem with purple blotches, hairy