Synonyms: Alsocydia firmula (homotypic); Arrabidaea bangii; Arrabidaea brachypoda; Arrabidaea brachypoda var. acuminata; Arrabidaea brachypoda var. attenuata; Arrabidaea brachypoda var. cuneata; Arrabidaea brachypoda var. firma; Arrabidaea brachypoda var. induta; Arrabidaea brachypoda var. platyphylla (homotypic); Arrabidaea brachypoda var. rigida; Arrabidaea celastroides (homotypic); Arrabidaea elliptica (heterotypic); Arrabidaea macrophylla (heterotypic); Arrabidaea platyphylla (heterotypic); Arrabidaea platyphylla var. acuminata; Arrabidaea platyphylla var. cuneata; Arrabidaea platyphylla var. elliptica; Arrabidaea platyphylla var. firma; Arrabidaea platyphylla var. firmula; Arrabidaea platyphylla var. heterophylla; Arrabidaea platyphylla var. induta; Arrabidaea platyphylla var. lasiorrhachis; Arrabidaea platyphylla var. puberula; Arrabidaea platyphylla var. stricta (homotypic); Bignonia brachypoda; Bignonia brachypoda var. acutifolia; Bignonia brachypoda var. cuneata; Bignonia brachypoda var. elliptica; Bignonia brachypoda var. firmula; Bignonia brachypoda var. heterophylla; Bignonia brachypoda var. platyphylla; Bignonia brachypoda var. pubescens; Bignonia platyphylla (homotypic); Bignonia regnelliana; Bignonia violacea; Fridericia celastroides; Petastoma simplicifolium