Shrubs, scandent, 1-3 m tall. Twigs and leaves densely persistently appressed shortly pubescent, trichomes white when young and slightly brown when old. Stipular spines 1-2 mm, firm, recurved, often absent by abortion or non-existent. Petiole 2-4 mm, trichomes like those on twigs; leaf blade oblong to oblong-elliptic but variable, 4-9 × 2-4 cm on old branches and 2-4 × 1-2 cm on young branches, firmly herbaceous, deeply colored when mature, almost glabrous or midvein shortly pubescent, abaxially pale colored and with persistent trichomes, midvein adaxially flat or impressed, secondary veins 6-10 on each side of midvein, abaxially slender and raised, and adaxially indistinct, reticulate veins not obvious on both sides, base rounded to slightly cordate, apex obtuse, acute, or rarely slightly acuminate or emarginate. Inflorescences terminal on upper twigs, umbels, sessile. Pedicel (1-)1.5-2.5 cm, slender, densely shortly pubescent. Sepals ca. 6 × 5 mm, slightly unequal; sepals of outer whorl thinly herbaceous, outside shortly pubescent; sepals of inner whorl membranous, both surfaces glabrous. Petals white, obovate, 7-8 × 4-5 mm, membranous, glabrous except basally distantly pubescent. Stamens 25-45; filaments ca. 2 cm; anthers ca. 2.5 mm. Gynophore filiform, 1.5-2 cm, glabrous; ovary ovoid, 1.5-1.7 mm, glabrous; placentae 3 or 4; ovules many. Fruit blackish brown, globose, 1.1-1.5 cm in diam., smooth; fruiting pedicel and gynophore slightly thickened. Seeds 1-4, ca. 7 mm. Fl. Mar, fr. Jul.
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