Monographs Details: Decagonocarpus cornutus Cowan var. cornutus
Authority: Maguire, Bassett & Wurdack, John J. 1958. The botany of the Guayana Highland--Part III. Mem. New York Bot. Gard. 10: 1-156.
Family:Rutaceae
Description:Latin Diagnosis - A var. congesto foliis non spissis, majoribus (30-60 mm longis, 15-30 mm latis), petiolis longioribus (4-8 mm), ealyce glabro lobis triangularibus, corollarum tubo longiore (ca. 27-28 mm) glabro differt,

Distribution and Ecology - Paratypes: VENEZUELA: Amazonas: Cerro Yutaje, 1250-1300 m elev., Feb 1953, Maguire & Maguire 35086, 35108, 35195; Cerro Coro-Coro, 1500 m elev., Maguire & Maguire 35460.