凉山悬钩子 liang shan xuan gou zi

Rubus allophyllus Hemsley, p.p.; R. loropetalus Franchet; R. nutans Wallich var. fockeanus (Kurz) Kuntze; R. radicans Focke.

Herbs perennial, creeping, without prickles and glands, sometimes with intermixed small glandular hairs. Stems prostrate, rooting at nodes, slender, pubescent. Leaves compound, 3-foliolate; petiole 2–5 cm, pubescent, terminal leaflet shortly petiolulate, lateral leaflets subsessile; stipules free, elliptic, 5–7 × 3–5 mm, membranous, margin entire, rarely toothed, apex ± obtuse or shortly pointed; blade of leaflets suborbicular to broadly obovate, 2.5–4 × 3.5–5 cm, abaxially pilose along veins, adaxially pilose, base broadly cuneate to rounded, lateral leaflets with oblique base, margin unevenly coarsely obtusely serrate, apex obtuse. Inflorescences terminal, to 2 cm in diam., 1- or 2-flowered; bracts elliptic, smaller than stipules, membranous, puberulous, margin entire or toothed. Pedicel 2–5 cm, pubescent, sometimes bristly. Calyx abaxially pubescent, or intermixed sparsely reddish brown bristly; sepals 5 or more, ovate-lanceolate to narrowly lanceolate, 7–10 × (2–)3–4 mm, undivided, rarely shallowly laciniate, apex long acuminate. Petals white, obovate-oblong to linear-oblong, 7–11 × 3–5 mm, base clawed. Stamens many, shorter than petals; filaments enlarged toward base. Pistils 4–20, shorter than stamens; ovary glabrous or slightly puberulous; styles glabrous or basally slightly pubescent. Aggregate fruit red, globose, glabrous, with few semiglobose drupelets; pyrenes rugose. Fl. May–Jun, fr. Jul–Aug.

Grassy slopes, forests; 2000--4000 m. Hubei, Sichuan, S Xizang, Yunnan [Bhutan, N Myanmar, Nepal, Sikkim].