Terrestrial. Inflorescence erect, up to 25 cm long; Ovary globose, style very short, stigma lower lip orbicular, upper lip obsolete. Capsule globose, 1-1.5 mm long, membranous, dehiscing by a small ventral ovate pore. Seeds numerous, ovate, 0.2-0.25 mm long, testa thin, obscurely longitudinally striate.
Argentina present, Asia-Tropical: Borneo present; Malaya present; Thailand (Thailand present), Bako National Park present, Central Borneo present, Central and South America present, Eastern North America present, Europe: Portugal (Portugal present), Kalabit Highlands present, Madagascar present, S. Africa present, Selangor present, Tropical Africa present
Eastern North America, throughout Central and South America to Argentina, throughout tropical Africa and in S. Africa and Madagascar, also in Portugal (possibly introduced); in Thailand and in Malesia: Malaya (Selangor) and Borneo (Bako National Park, Kalabit Highlands, and once in Central Borneo).
It is curious that this species, which is widespread and abundant in the New World, Africa and Madagascar, should never have been found in India. There can be no doubt that the Malesian plant is the same as the African and American ones.