- n Piptadenia tropical American trees and shrubs; often placed in other genera
Century Dictionary and Cyclopedia
- n piptadenia A genus of leguminous trees, type of the tribe Piptadenieæ, characterized by the globose heads or cylindrical spikes, and flat two-valved pod with the valves entire and continuous within. There are about 30 species, all tropical — 2 African, the others American. They are shrubs or trees, with or without thorns, with bipinnate leaves, small and very numerous leaflets, and small white or greenish flowers. The best-known species is the niopotree. Another South American species, P. rigida, is the source of valuable timber, and of angico-gum, similar to gum arabie.