Epidendrum bisulcatum Ames, Schedul. Orch. 5: 24. 1923.
TYPE: Panama. Chiriquí: Palo Alto Hill, 6000 feet altitude, February to March 1923, C.W. Powell 280 (holotype, AMES: isotype, AMES; drawing of type). “Grows in sunny places, rare. Sepals and petals olive-green, labellum green with a purple sheen”.