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FOC | Family List | FOC Vol. 9 | Rosaceae | Rubus

69. Rubus delavayi Franchet, Pl. Delavay. 205. 1890.

三叶悬钩子 san ye xuan gou zi

Rubus duclouxii H. Léveillé.

Shrubs erect, low, 0.4–1 m tall. Branchlets brownish or reddish brown, cylindric, glabrous, with short curved prickles. Leaves imparipinnate, usually 3-foliolate; petiole 2–3 cm, petiolule of terminal leaflet 5–8 mm, lateral leaflets sessile or subsessile, glabrous or pilose, with sparse, small prickles; stipules linear, 4–7 mm, puberulous when young, glabrescent; blade of leaflets lanceolate to narrowly lanceolate, 3–7 × 1–2 cm, both surfaces glabrous or abaxially with sparse, soft hairs and with minute prickles along midvein, base broadly cuneate to rounded, margin irregularly coarsely serrate, apex acuminate. Inflorescences terminal or axillary, 1-flowered, or with flowers in clusters of 2 or 3; bracts linear, smaller than stipules, puberulous or glabrescent. Pedicel 1–2 cm, puberulent or subglabrous, with sparse, minute prickles. Flowers ca. 1 cm in diam. Calyx abaxially puberulous and with sparse, minute prickles; tube short, broad; sepals erect in fruit, triangular-lanceolate, 6–8(–10) × 2–3 mm, apex long caudate. Petals white, obovate, shorter than sepals, puberulent, base prominently clawed. Stamens many, shorter than petals; filaments short, broad, puberulent. Pistils shorter than stamens; style and ovary glabrous. Aggregate fruit orange-red, globose, ca. 1 cm in diam.; pyrenes small, rugulose. Fl. May–Jun, fr. Jun–Jul.

Mixed forested slopes; 2000--3400 m. Yunnan.

The dried fruit, seeds, and leaves are used in traditional Chinese medicine.


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