Monographs Details: Pleonotoma variabilis (Jacq.) Miers
Authority: Maguire, Bassett. 1978. The botany of the Guayana Highland--part X. Mem. New York Bot. Gard. 29: 1-288.
Discussion:1. Pleonotoma variabilis (Jacquin) Miers, Proc. Roy. Hort. Soc. 3: 184. 1863. Bignonia variabilis Jacq., Hort Schoenb. 2: 45, tab 212. 1797. Type. Venezuela, Caracas, Jacquin sn (W). Maguire et al 53637 from Cerro Piton, 400 m, Rio Chicanan, Bolivar, Venezuela, is the first Guayana area record for this primarily lowland species which ranges from Guatemala to Guyana and Trinidad.