A shrub or small tree; branchlets rufous-pubescent; branches divaricate, elongated, glabrate, spinous or unarmed; spines axillary, opposite or 3 in a whorl, patent, subulate, acute, 2/3–1 in. long. Leaves oval, obtusely acuminate, obtusely narrowed at the base, glabrate except the midrib, dark above, whitish beneath, chartaceous, 1–3 by 5/8–1 1/2 in.; lateral veins about 4–6 pairs; petiole shortly pubescent, 1/10– 1/5 in.; stipules subulate, 1/8– 1/4 in. long, puberulous or glabrate. Flowers 1/6– 1/5 in. long, on short slender puberulous pedicels arranged in divaricately branched tortuous shortly pedunculate panicles of 1/2–1 1/4 in. long. Calyx-tube small, hemispherical, puberulous or glabrate; limb wider, deeply 5-lobed, glabrous; lobes deltoid, obtuse, spreading. Corolla glabrous outside, tubular; tube strigose with deflexed white hairs near the base inside; lobes 5, reflexed, ovate, scarcely acute. Disk prominent, glabrous. Anthers about equalling the filaments. Stigma exserted, calyptriform; style slender, glabrous. Fruit 1/3– 2/5 in. long, subdidymous or, by abortion of one cell, oblique; seeds curved round the placentas.
