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

108. Rubus mallotifolius C. Y. Wu ex T. T. Yu & L. T. Lu, Acta Phytotax. Sin. 20: 454. 1982.

楸叶悬钩子 qiu ye xuan gou zi

Shrubs scandent. Branchlets purplish brown, soft hairy when young, subglabrescent, with sparse, curved minute prickles. Leaves simple; petiole 4–6 cm, soft hairy when young, glabrescent, with sparse, minute prickles; stipules caducous, free; blade triangularly broadly ovate to suborbicular, 9–12 cm, palmately 5-veined, lateral veins 3–5 pairs, prominent abaxially, impressed adaxially, leathery, abaxially densely yellowish gray tomentose, villous along veins, adaxially glabrous, lustrous, base truncate to shallowly cordate, margin unevenly shallowly obtusely serrate, apex acute or abruptly shortly pointed. Inflorescences terminal or axillary, lax narrow cymose panicles, 10–16 cm, axillary inflorescences sometimes racemes; rachis and pedicels yellow sericeous-villous; bracts suborbicular or broadly oblong, densely yellow sericeous-villous, apex palmately or pectinately lobed; lobes lanceolate. Pedicel 4–6 mm. Flowers 7–9 mm in diam. Calyx abaxially densely yellow sericeous-villous; sepals erect after anthesis, broadly ovate or suborbicular, 6–7 × 3–5 mm, margin entire, inner sepals usually with tomentose margin, apex obtuse. Petals white, suborbicular, glabrous. Stamens many; filaments short, broad, complanate. Pistils slightly longer than stamens; style and ovary glabrous. Fruit unknown. Fl. Jun–Jul.

Montane valleys, dense forests; 1200--2000 m. SE Yunnan.


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