C. Kernan 51 Det. by: M. Huft, 1990 Phenology: FL 3 February 1988 08:28N 83:35W 10 m PUNTARENAS, GOLFITO P.N. Corcovado Península de Osa. Herb. Flowers minute, white stems reddish. Sirena airstrip.
Emilio Castro 56 Det. by: Wm. Burger, 1992 Phenology: FR 11 January 1991 08:45N 83:22W 20 m PUNTARENAS, OSA R.F. Golfo Dulce Península de Osa. Hierba de 0.15 m. Frutos agrupados terminales. Secreción lechosa. Tallo rojizo.
William Haber 10327 Det. by: Wm. Burger, 1993 Phenology: LR 26 December 1990 10:15N 84:50W 750-850 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb-shrub, 0.15-0.30 m, rocky roadside. Flower ovary dark green, petals (4) white with green nectar disk at base. Fruit maturing cream green to brown. Stems and distal leaves shaded with maroon.