Shrubs climbing, small, to 1 m tall. Branchlets terete, slightly curved, slender, subglabrous; prickles short, slightly flat, inflated at base. Leaves including petiole 5.5–7 cm; stipules mostly adnate to petiole, margin pectinate and glandular; rachis and petioles densely stipitate glandular and sparsely pubescent; leaflets 5–7, pale green abaxially, deep green adaxially, usually obovate-oblong or elliptic, 1.3–2 × 0.9–1.5 cm, abaxially glabrous or sparsely glandular or pubescent along midvein, adaxially subglabrous, base broadly cuneate or rounded, margin doubly serrate, apex acuminate. Flowers 8–12-flowered in panicle, 2–2.5 cm in diam.; pedicel 5–10 mm, glandular; bracts caducous. Hypanthium ovoid-globose, subglabrous, sparsely villous and glandular-pubescent. Sepals 5, lanceolate, abaxially stipulate-glandular, adaxially densely villous, margin pinnately lobed; lobules lanceolate to linear, apex long acuminate. Petals 5, white, unknown. Styles connate in column, exserted, slightly shorter than stamens, glabrous. Hip unknown.
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