Scaphosepalum longirepens Ames, Proc. Biol. Soc. Wash. 34: 153. 1921.
TYPE: Panama. Chiriquí: humid forest of the Cordillera, east of the Río Caldera, 17-19 Feb 1918, 2000 m alt., Killip 3567 (holotype, AMES; isotype, Rochester Academy of Science, US).