Catesbaea glabra Urb.

Catesbaea glabra Urban, Symb. Ant. 7: 401. 1912
Catesbaea holacantha Urban, Symb. Ant. 1: 430, in part. 1899. Not C. holacantha C. Wright, 1866.
A shrub 2-3.5 meters high, the branches glabrous, the internodes 1-2 cm. long, the spines 0.7-1.8 cm. long, glabrous; stipules triangular, 0.3-0.6 mm. long; leaves opposite or ternate, the upper ones deciduous, the petioles 0.5-1 mm. long, the blades obovate or obovate-elliptic, rarely ovate or suborbicular, 1.5-5 mm. long, 1-2.5 mm. wide, acute or abruptly contracted at the base, rounded or acute at the apex, glabrous, the lateral nerves obsolete ; flowers sessile or subsessile, solitary or 2-3-fasciculate, 4-parted; calyx and hypanthium glabrous, the hypanthium obovoid or ellipsoid, the calyx-lobes triangular, acute, united below, one third to one half as long as the hypanthium; corolla 5-7 mm. long, white, the tube obconic, glabrous within, the lobes lanceolate, about as long as the tube, acute or subobtuse; anthers half as long as the filaments or almost equaling them, 2.5-3 mm. long; style thickened at the apex and incurved; ovules 3-6 in each cell; fruit oval or narrowly oval, 3.5 mm. long, almost 2.5 mm. thick.
Type locality: Haiti. Distribution: Hispaniola.