矮生悬钩子 ai sheng xuan gou zi

Rubus clivicola E. Walker, J. Wash. Acad. Sci. 32: 262. 1942, not R. clivicola Sudre (1903).

Herbs perennial, dwarf, 3–10(–12) cm tall. Stems brown or purplish brown, prostrate, slender, rooting at nodes, pubescent. Leaves compound, 5-foliolate, rarely 3-foliolate; petiole 1–2 cm, pubescent, petiolule of leaflets 2–5 mm; stipules free, ovate or suborbicular, 3–4 mm, puberulous, margin entire, apex obtuse; blade of leaflets obovate to suborbicular, 0.5–1.5 cm × 6–11 mm, both surfaces pilose when young, rarely with scattered brown glandular hairs abaxially, base cuneate, margin deeply 3-divided nearly to midvein, with 3 distinct lobes; lobes sharply divided again into deep sharp incised teeth, apex obtuse. Inflorescences 1-flowered. Pedicel 1–2 cm, pubescent. Flowers 1–1.2 cm in diam. Calyx abaxially pubescent; sepals broadly ovate, 5–7 × 3–5 mm, apex shortly acuminate. Petals white, ovate to broadly elliptic, 6–8 × 4–5 mm, glabrous, margin lobed or coarsely serrate. Stamens 30, 1-seriate, much shorter than petals; filaments broad, complanate; anthers ovoid, small. Pistils ca. 3, ca. 2.5 mm; filaments slender; ovary glabrous, smooth. Aggregate fruit glabrous when young. Fl. Jul–Aug, fr. Aug–Sep.

Rocky slopes, forests; 2800--4200 m. NW Yunnan [N Myanmar].

After publication of the Flora of China treatment, Rubus naruhashii Yi Sun & Boufford (J. Jap. Bot. 87: 135. 2012) was proposed as a new name for R. clivicola E. Walker, a later homonym of R. clivicola Sudre.