Shrubs scandent. Branchlets brownish to reddish brown, flexuous, glabrous, with sparse, recurved prickles 3–4 mm. Leaves imparipinnate, 3–5(–7)-foliolate; petiole 3–4 cm, petiolule of terminal leaflet 5–10 mm, petiolule of lateral leaflets 2–3 mm, petiolule and rachis glabrous or nearly so, with sparse, minute prickles; stipules linear to linear-lanceolate, 5–10 mm, glabrous, margin entire; blade of leaflets lanceolate to ovate-lanceolate, 3–9 × 1.5–3 cm, papery, terminal leaflet usually longer and wider than lateral leaflets, lateral leaflets often ± oblique, lateral veins 8 or 9 per side, both surfaces glabrous, abaxially with sparse, minute prickles along midvein, adaxially sometimes slightly hirsute along veins, base rounded to subtruncate, margin unevenly serrate to doubly serrate, apex acute to acuminate. Inflorescences terminal or axillary, 1-or 2-flowered. Pedicel (1.5–)2–2.5 cm, glabrous or subglabrous. Flowers 2.3–4 cm in diam. Calyx cupular, ca. 8 mm in diam., glabrous, with few brown glands abaxially; sepals narrowly triangular, 1–1.3 cm × 5–7 mm, margin tomentose, apex caudate. Petals white, obovate, 1.2–1.9 × 1–1.5 cm, base clawed. Stamens many, shorter than petals; filaments broadened and flattened. Pistils numerous, slightly shorter than stamens when young; style and ovary glabrous. Aggregate fruit ellipsoid to globose, to 1.5 cm in diam. Fl. Jun–Jan, fr. Jun–Feb.
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A shrub. It lies along the ground. The stems are flexible. It has a few prickles that are 3-4 mm long. They are curved. The leaves are 20 cm long with leaflets including a leaflet at the end. There are 3-5 leaflets. They are papery and narrowly oval and 3-9 cm long and 1.5-3 cm wide. The end leaflet is larger. The flowers are usually single. They are at the ends of branches or in the axils of leaves. The petals are 1-1.8 cm long and white. The fruit are 1.5 cm across.
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