R. & P., Syst. Veg. 261-1798
C. hypoleucum Standl.
Large dioecious canopy liana; trunk near the ground to ca 10 cm diam; stems terete, puberulent to tomentose (striate when dry). Petioles 4-14 cm long, puberulent to tomentose; blades ovate to suborbicular, blunt to apiculate (rarely emarginate) at apex, truncate to cordate at base, 10-20 cm long, 9-18 cm wide, subcoriaceous, glabrous above, white-woolly below; veins at base 5, palmate, with 2-4 additional pairs of major lateral veins above. Staminate inflorescences paniculate; panicles fascicled in leaf axils, often on older stems, to 10 cm long, the branches short; all axes densely tomentose; flowers greenish-white; sepals 9-16, the outermost reduced, tomentose or ciliolate, the inner 6-8 much larger, to 3 mm long, oblong-obovate to obovate, recurved, glabrate or inconspicuously pubescent, ciliolate; petals usually 6, minute and obscured by sepals, less than 1 mm long; stamens 6, ca 1.5 mm long; anthers ± horizontal, affixed subbasally, the connective produced beyond the thecae and usually directed inward. Pistillate inflorescences and flowers similar to staminate but with gynoecium of 6 pistils, the pubescence dense, short-appressed; style 1 per carpel, simple, ca 0.5 mm long, slightly curved. Drupes oblong-ovoid, ca 1.5 mm long, narrowed at base into a short stipe, tomentose to glabrous in age. Croat 13801.
Uncommon. Known to flower in late July and early August.
Panama to Peru and Bolivia. In Panama, known from tropical moist forest on BCI and in Darien.
See Fig. 231.