Tree to 20 m high; twigs terete, glabrous or minutely scabridulous. Leaves chartaceous; petioles minutely scabridulous, ca 1-5 cm long; blades elliptic, 5-15 cm long, 3-8 cm broad, glabrous except for minute hairs along veins beneath, 3-veined at base, with mostly 2 or 3 additional major veins on either side, the veinlet reticulum prominulous beneath, the basal foliar glands foveate-excavated, the base acute to obtuse, the margins subentire to remotely crenulate, the apex abruptly pointed or acuminate. Inflorescences densely appressed-puberulous; maleracemes ca 5-12 cm long, female racemes 2-4 cm long. Staminate flowers with puber-ulent pedicels ca 0.5-1.5 mm long; calyx-lobes 3, sparsely strigose, elliptic, acute, 1.2-1.5 mm long; disc copiously hirsutulous; stamens 5-7 (mostly 6), the fila-ments glabrous, 1.3-2 mm long, the anthers elliptical, 0.5-0.6 mm long, the prominent connective nearly or quite as long as the anther-sacs; pistillode glabrous, trifid, 0.4-0.7 mm high. Pistillate flowers with puberulent pedicels 1-1.5 mm long in fruit; calyx-lobes 3 or 4 [in Panamanian material], ovate, strigose, 0.7-0.9 mm long; disc massive, 1-1.2 mm diam; ovary 1.1-1.3 mm high, pubescent, the styles spreading, coarsely papillate, undivided or obscurely bifid at the tip, ca 0.5 mm long. Capsules not seen entire; cocci wrinkled, glabrate, 3-4 mm long, the columella persistent, broadly 3-winged (ovate in outline), 0.7-1 mm high; seeds lenticular (thicker basally), blackish beneath the pale outer coat, striate with discrete or somewhat anastomosing more or less discontinuous ribs (ca 10-12 on the back), 2.2-2.5 mm long and broad.
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