Benth. & Hook. f. i. 400. CARPIDOPTERIX, Karsl. Fl. Columb. ii. 45. t. 123 (1860?). THINOUIA, Planch. & Triana, in Ann. Sc. Nat. Ser. IV. xviii. (1862) 368.THOUINIDIUM, Radlk. in Sitzb. Akad. Muench. viii. (1878) 267, 281. THVANA, Ham.Prod. Pl. Ind. Occ. 36 (1825). VARGASIA, Bert. ex Spreng. Syst. ii. 283 (1825)