Shrubs or trees, 8--9(--13) m tall. Bark grayish yellow to grayish black. Branchlets glabrous with occasional spines; spines 1.5--3.5 cm, erect, hard, and cuspidate. Petiole 1--3 mm; leafblade usually obovate, 2--4(--8) X 1--2.3(--3) cm, base cuneate, apex rounded to obtuse, lateral veins ca. 10 pairs. Flowers solitary or in several-flowered clusters. Pedicel 3--5(--8) mm,rust colored pubescent. Sepals 5, ovate, 5--6 mm, both surfaces rust colored pubescent. Corolla white; lobes 5, outside pubescent on middle part but glabrescent, inside sparselyvillous. Stamens 5; filaments thick with a cluster of rust colored villous hairs on each side at base; staminodes 5, lanceolate to ovate, margin yellowish brown pubescent. Ovarysubglobose, ca. 1.5 mm, densely rust colored pubescent. Style ca. 3 mm. Fruit green becoming pale brown, subglobose to subellipsoid, 1.2 cm, glabrous or appressed rust coloredtomentose, with a ca. 1.2 cm persistent style and enlarged calyx; stalk of fruit 8--10 mm, glabrous. Seeds subglobose, slightly compressed, ca. 8 mm in diam., glossy brown; scarelliptic. Fl. Oct-Feb, fr. Jun-Oct.