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Rubus bonatianus Focke

滇北悬钩子

Description from Flora of China

Shrubs nearly erect or prostrate. Branches dark brown or brownish, soft hairy when young, gradually glabrescent, with sparse prickles. Leaves imparipinnate, (5–)7–9-foliolate; petiole 3–8 cm, petiolule of terminal leaflet 0.5–1 cm, lateral leaflets subsessile, petiolule and rachis with soft hairs and minute prickles, sometimes with sparse, stalked glands; stipules linear, to 1 cm, soft hairy; blade of leaflets rhombic, ovate-lanceolate, or oblong, 2–5 × 1–2.5 cm, abaxially densely gray tomentose, adaxially minutely appressed pubescent, base broadly cuneate to rounded, margin incised, sharply doubly serrate, apex acuminate. Inflorescence 1-flowered. Pedicel 1–2 cm, with soft hairs or sparse, stalked glands. Flowers 2–3 cm in diam. Calyx abaxially densely minutely pubescent; sepals ovate-lanceolate or triangular-lanceolate, to 1.7 cm, apex long caudate, inner sepals gray tomentose marginally. Petals white, together with calyx turning red upon withering, spatulate, ca. 1.5 cm × 8–9 mm, slightly shorter than sepals, both surfaces minutely pubescent, base broadly clawed. Stamens numerous, shorter than petals; filaments linear, with somewhat broadened base. Pistils many, slightly longer than stamens; ovary and basal part of style long white tomentose. Fruit unknown. Fl. summer.

Montane valleys, grassy places, stream sides, moist slopes; 3200--3500 m. Sichuan, N Yunnan.


 

Related Objects  

Flora of China  
  • Flora of China Illustrations vol. 9, fig. 84, 5-7
  • Illustration

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