Subshrubs or herblike, 10–60 cm tall. Branchlets brown or reddish brown to purplish red, with purple needle-like prickles, soft hairs, and stipitate glands. Leaves imparipinnate, 3-foliolate, rarely 5-foliolate; petiole 3–5 cm, petiolule of terminal leaflet 1–2 cm, lateral leaflets subsessile, with purple needle-like prickles, soft hairs, and glandular hairs; stipules greenish brown, linear or linear-lanceolate, 7–9 mm, pubescent, with intermixed glandular hairs; blade of leaflets ovate or elliptic, 3–5 × 2–3.5 cm, abaxially densely gray tomentose, adaxially puberulous, base broadly cuneate to subrounded, subtruncate on terminal leaflet, margin unevenly coarsely serrate or doubly serrate, apex acute to shortly acuminate. Inflorescences terminal, nutant, 1–3-flowered; bracts linear, 5–7 mm, pubescent, with intermixed glandular hairs. Pedicel 1.5–3 cm, prickly, pubescent, with stalked glands. Flowers 1.5–2 cm in diam. Calyx tinged purplish red, with purple needle-like prickles, soft hairs, and stalked glands; tube shallowly cupular; sepals erect, narrowly ovate or ovate-lanceolate, 1–1.5 cm × 3–5 mm, apex acuminate to caudate. Petals white, broadly elliptic or spatulate, 8–11 × 5–7 mm, shorter than sepals, pubescent, base shortly clawed. Stamens numerous, slightly shorter than petals; filaments linear. Pistils nearly as long as or slightly shorter than stamens; ovary gray tomentose. Aggregate fruit red, subglobose, 1–1.5 cm in diam., tomentose; pyrenes smooth or somewhat reticulate. Fl. Jun–Jul, fr. Aug–Sep.
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A herb or small shrub. It grows 10-60 cm tall. The branches are reddish brown with needle-like prickles. There are also soft hairs. The leaves have leaflets along the stalk and one at the end. There are 3 or 5 leaflets. The leaflets are 3-5 cm long by 2-4 cm wide. There are 1-3 flowers in a group at the ends of branches. The flowers are 2 cm across and the petals are white. The fruit is aggregate and red. They are 1-1.5 cm across.
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