Reinaldo Aguilar 2996 Det. by: J. F. Morales, IX 1995 Phenology: FR 8 January 1994 08:24N 83:17W 1 m PUNTARENAS, GOLFITO Península de Osa. Hierba de 1 m. Frutos parduscos.
Michael Grayum 9165 Det. by: B. L. Turner, 1992 Phenology: LR 9 December 1988 08:58N 83:28W 300 m PUNTARENAS, OSA Valle del Térraba. Common weed in rocky sites along trail through forest on ridge. Fls. lemon- yellow.