Tree 8-10 m tall; branchlets longitudinally finely striate, glabrous or incon-spicuously minutely appressed-puberulous. Leaves elliptic-oblong, 4-16(-42) cm long, 2.3-6(-15) cm wide, rounded at base and apex, thick-coriaceous, the margin entire, somewhat involute, drying gray above, brown below, the midvein and secondary veins impressed above and raised below (the Panamanian collection strikingly bullate), secondary veins 8-11 on a side, tertiary venation plane above and slightly prominulous below, glabrous (a few tiny adpressed, essentially in-visible hairs along midvein of type); petiole 1-2 cm long, glabrous. Inflorescences paniculate from axils of the upper leaves, puberulous, the individual flowers ses-sile, densely congested on the ultimate branches, subtended by sepal-like brac-teoles. Flowers white, drying black; sepals, orbicular, long-ciliate, 1-2 mm long (-2.6 mm fide Cuatrecases & Idrobo), outer petals suborbicular, ca. 1 mm long (in bud); stamens 2, the anther thecae short and thick; ovary not seen. Fruit asymmetrically pryiform, 1.6-2 cm long, 1.4-1.6 cm wide.