Arecaceae Berchtold & J. Presl. Palm Family.
Contributed by Scott Zona and Alan S. Weakley
A family of about 181 genera and 2600 species, trees and shrubs, of tropical and subtropical regions of both hemispheres.
ID notes: In palmate and costapalmate palms, the hastula is the triangle of tissue where the petiole joins the leaf blade, as seen on the upper (adaxial) surface.
Ref: Baker & Dransfield (2016); Dransfield & Uhl In Kubitzki (1998b); Dransfield et al. (2008); Zona (2000) In Flora of North America Editorial Committee (2000). Show full citations.