| Noun | 1. | genus Anadenanthera - 2 species of tropical American shrubs or trees rosid dicot genus - a genus of dicotyledonous plants Mimosoideae, subfamily Mimosoideae - alternative name used in some classification systems for the family Mimosaceae Anadenanthera colubrina, Piptadenia macrocarpa - Brazilian shrub having twice-pinnate leaves and small spicate flowers followed by flat or irregularly torulose pods; sometimes placed in genus Piptadenia |