Monographs Details: Psychotria sandwithiana (Steyerm.) Steyerm.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Rubiaceae
Discussion:Cephaelis sandwithiana Steyerm., Mem. N. Y. Bot. Gard. 17(1): 428. fig. 42. 1967.