Nelson Zamora 1346 Det. by: M. Grayum, 1987 Phenology: FL 8 July 1987 10:53N 84:47W 30 m ALAJUELA, LOS CHILES R.N.V.S. Caño Negro Llanura de Guatuso. Epífito. Espata verde y espádice cremoso sin látex.
Barry Hammel 19585 Det. by: M. Grayum, VIII 1994 Phenology: FL 18 August 1994 10:54N 85:43W 50-150 m GUANACASTE, LIBERIA P.N. Santa Rosa Península de Santa Elena. Climber flowering at 4 m in tree along stream; petiole beyond sheath sharply triangular above, circular below; leaves thinly coriaceous, concolorous, weakly glossy above, seimi-glossy below; midribs and primary lateral veins sunken above, c-shaped below; (DATOS LARGOS)