Gigasiphon

Gigasiphon is a genus of plants in the family Fabaceae. The genus is circumscribed is defined by "a long-tubular hypanthium, an arborescent habit, and a calyx divided into two lobes." It includes five species native to eastern Africa, Madagascar, the Philippines, New Guinea, and Lesser Sunda Islands.

Species
Gigasiphon comprises the following species:


 * 1) Gigasiphon amplum (Span.) de Wit
 * 2) Gigasiphon dolichocalyx (Merr.) de Wit
 * 3) Gigasiphon humblotianum (Baill.) Drake
 * 4) Gigasiphon macrosiphon (Harms) Brenan
 * 5) Gigasiphon schlechteri (Harms) de Wit

Note:: Gigasiphon gossweileri is now in the African monotypic genus Tournaya