Guayacillo, Molenillo Shrub or small tree, 2-5 (12) m tall, 5-10 (20) cm dbh, minutely ferruginous-puberulent and sparsely hirsute on young stems, petioles, leaf veins (especially below), inflorescence branches, pedicels, bracteoles, and calyces. Leaves opposite; stipules small, deciduous; petioles 3-8 mm long; blades mostly obovate-elliptic, caudate-acuminate, obtuse to acute and usually +/- equilateral at base, 6-13 cm long, 2.5-5 cm wide, subentire to serrulate. Racemes terminal, to 6 cm long; pedicels to 2.5 mm long; bracteoles broadly ovate, less than 1 mm long; sepals 5, ovate, +/- equal, 1-1.5 mm long; petals 5, +/- equal, oblong, 4-4.5 mm long, white or yellowish, minutely ciliolate; stamens 5, 2.5-3 mm long; filaments free, ca 1 mm long, with a dorsal appendage nearly as long as and attached to basal half of filaments; anthers ca 1 mm long, the connective expanded, brownish; style ca 2.5 mm long, glabrous. Capsules ovoid, ca 2 cm long, trilobate, hirsute-hispid; valves thick; seeds few, ca 6 mm long. Croat 8771. Occasional, in the forest. Seasonal behavior uncertain. Flowers at least in October and March. The fruits are known from June and July.