(after Albizzi, an Italian naturalist). Le guminbsw. Trees or shrubs, unarmed : lvs. alternate, bipinnate; leaflets small, oblique: fls. in axillary, pe duncled spikes or globular heads; calyx and corolla tubular and 5-lobed ; stamens long, exserted : fr. a large strap-shaped pod. Twenty-flve species in trop. and subtrop. regions of Asia, Afr. and Austral. Orna mental trees and shrubs with graceful, feathery foliage and yellowish, white or red fls. in summer. For cult., see Acacia.