Standl., J. Wash. Acad. Sci. 15:101. 1925
Shrub, to 3 m tall; parts puberulent when young, glabrous in age. Petioles 5-9 mm long; blades oblong-elliptic to lanceolate-oblong, acuminate, acute to obtuse at base, 10-16 cm long, 2.5-5 cm wide. Flowers pale yellow, solitary in axils; pedicels 1.5-2.5 cm long, with a minute bracteole near apex; sepals 3, ovate, ca 8 mm long; petals valvate, the outer 3 narrowly oblong, ca 2 cm long, the inner 3 ovate, ca 1 cm long. Monocarps obliquely club-shaped, 3-4 cm long, apiculate at apex; seeds 2 per carpel, ± elliptic, flat, shiny, orange, forcibly expelled by contraction of walls of monocarp (fide R. Foster). Croat 11158, 12569.
Rare; known from a single area in the old forest north of Zetek Trail 600. Flowers in July and January. Mature fruits were seen from November to January.
Known only from Panama, from tropical moist forest in the Canal Zone (on and adjacent to BCI) and Panama. See Figs. 232 and 233.