Monographs Details: Parabignonia steyermarkii Sandwith
Authority: Maguire, Bassett. 1978. The botany of the Guayana Highland--part X. Mem. New York Bot. Gard. 29: 1-288.
Discussion:1. Parabignonia steyermarkii Sandwith, Bol. Soc. Venez. Ci. Nat. 26:446. 1966. Type. Venezuela, Bohvar, Steyermark et al 93003 (K, VEN). This species has previously been known only from Venezuela. It is reported here for the first time from Guyana [Tillett et al 45149 (NY) from Mt. Ayanganna]. The mature fruit and mode of dehiscence are still unknown.