Shrubs small. Branchlets dark brown, slender, sparsely yellow brown hairy or subglabrous; old branches often opposite to branchlets, with hooklike, deflexed spines. Leaves alternate; stipules lanceolate, caducous; petiole 5-13 mm, strongly canaliculate, sparsely puberulent; leaf blade abaxially dark green, adaxially pale green, oblong or ovate-oblong, 8-13 × 3.5-6 cm, papery, abaxially glabrous, adaxially barbellate at vein axils or pubescent on veins when young, gradually glabrescent, lateral veins 8-10 pairs, raised abaxially, slightly impressed adaxially, base rounded, margin minutely serrulate, apex acuminate or long acuminate. Flowers sessile, glabrous, solitary or 2-or 3-fascicled in terminal or axillary, spicate panicles; rachis ca. 10 cm, brownish tomentose; bracts ovate-triangular, puberulent or glabrous. Sepals triangular, ca. 1.5 mm. Petals spatulate, small, ca. 0.7 mm. Stamens longer than petals; anthers ovoid-oblong, apex acute. Ovary 2-loculed, with 1 ovule per locule; style short, 2-lobed. Fruit unknown. Fl. Aug.