Rubus salwinensis Hand.-Mazz.

Shrubs scandent, to 2 m tall. Branchlets brown to grayish brown, terete, yellowish villous, with sparse, curved minute prickles, with sparse, stipitate glands to 2 mm. Leaves simple; petiole 3–5 cm, yellowish villous, sparsely stipitate glandular, with sparse, curved minute prickles; stipules caducous, free, to 1 cm, sparsely villous and stipitate glandular, apex laciniate, lobes linear or lanceolate; blade broadly ovate or orbicular-ovate, 8–13 × 7–10 cm, lateral veins 4–6 pairs, abaxially densely gray tomentose, yellowish villous along veins, adaxially sparsely villous, base cordate, margin distinctly lobed; lobes with dense sharp serrations, apex acute to acuminate. Inflorescences terminal, pyramidal cymose panicles, with spreading branches, 10–25 cm, many flowered; rachis and pedicels densely yellowish villous, sparsely stipitate glandular; bracts 6–8 mm, margin laciniate; lobes linear, villous, stipitate glandular. Pedicel 1–1.5 cm. Flowers ca. 1 cm in diam. Calyx abaxially densely yellowish villous, with sparse, stalked glands; tube short, ca. 7 mm; sepals triangular-lanceolate, 8–11 × 4–5 mm, margin usually laciniate, caudate; lobes lanceolate to linear-lanceolate, erect in fruit. Petals white, oblong, 3–6 × 2–3.5 mm, glabrous, base shortly clawed, apex dentate or not. Stamens many, shorter than sepals, glabrous; filaments linear. Pistils nearly as long as stamens; style and ovary glabrous. Aggregate fruit red, glabrous, with few drupelets, enclosed in calyx; pyrenes rugose, reticulate. Fl. Jun–Jul, fr. Aug–Sep.

Yunnan.

Ravines, forest margins; 1800--2500 m.