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

14. Rubus piluliferus Focke, Bot. Jahrb. Syst. 36(Beibl. 82): 55. 1905.

陕西悬钩子 shan xi xuan gou zi

Rubus lachnocarpus Focke.

Shrubs to 2 m tall, with arcuate branches. Branchlets terete, soft hairy, glabrescent, with sparse, needle-like prickles or nearly unarmed, rarely with dense, minute prickles. Leaves imparipinnate, 3–5-foliolate; petiole 2–4 cm, petiolule of terminal leaflet 1–2 cm, lateral leaflets subsessile, petiolule and rachis with soft hairs and sparse, minute prickles; stipules linear, 5–10 mm, soft hairy; blade of leaflets ovate, rhombic-ovate, or ovate-lanceolate, 3–8 × 1.5–5.5 cm, lateral veins 5 or 6 pairs, abaxially densely whitish tomentose, adaxially sparsely pubescent or subglabrous, base broadly cuneate or rounded, margin often pinnate-lobed, coarsely incised-doubly serrate, apex variable, caudate-acuminate on terminal leaflet, acute to shortly acuminate on lateral leaflets. Inflorescences terminal on short branchlets, corymbose, 5–10-flowered; rachis and pedicels yellow pubescent; bracts linear, 5–7 mm, pubescent. Pedicel 0.7–1.5 cm. Flowers 1–1.5 cm in diam. Calyx abaxially pubescent; sepals lanceolate or ovate-lanceolate, 5–7 mm, apex acuminate. Petals pink, suborbicular, slightly shorter than sepals, base long clawed. Stamens many, shorter than petals; filaments linear, basally broadened and flattened. Pistils 20–40; ovary and base of style densely whitish tomentose. Aggregate fruit subglobose, 5–8 mm in diam., densely shortly whitish tomentose; pyrenes rugulose or slightly smooth. Fl. May–Jun, fr. Jul–Aug.

Slopes, forests, montane valleys; 1100--2000 m. Gansu, Hubei, Shaanxi, Sichuan.


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