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

158. Rubus crassifolius T. T. Yu & L. T. Lu, Acta Phytotax. Sin. 20: 460. 1982.

厚叶悬钩子 hou ye xuan gou zi

Shrubs scrambling or scandent, to 0.5 m tall. Branchlets dark brown, terete, densely yellowish brown sericeous-villous, unarmed. Leaves simple; petiole 2–3.5 cm, yellowish brown sericeous-villous; stipules free, brownish, suborbicular or broadly ovate, (1–)1.5–2 cm and ca. as broad, sparsely sericeous-villous, margin laciniate, lobes lanceolate; blade suborbicular, 3–7 cm in diam., palmately 5-veined, veins brownish, lateral veins 2 or 3 pairs, prominently raised abaxially, impressed adaxially, thickly leathery, abaxially densely sericeous-villous, adaxially prominently rugulose, sparsely sericeous-villous, base cordate, margin somewhat undulate or 3–5-lobed; lobes shallowly obtusely serrate, apex obtuse, rarely acute. Inflorescences terminal or axillary, 1-flowered, rarely flowers in clusters of 2 or 3; bracts brownish, suborbicular or broadly ovate, smaller than stipules, with sparse, long silky hairs, margin laciniate; lobes lanceolate. Pedicel ca. 1 cm, yellowish brown sericeous-villous. Flowers 1.5–2 cm in diam. Calyx to 1.5 cm, abaxially yellowish brown sericeous-villous; sepals leaflike, ovate, outer sepals broader, deeply divided or deeply incised-serrate nearly above middle, inner sepals narrower, entire or sparsely serrate, apex acute. Petals broadly ovate, base shortly clawed, margin undulate, apex obtuse or emarginate. Stamens numerous, in 2 or 3 whorls, unequal in length, shorter than petals; filaments linear, slender. Pistils shorter than stamens; style and ovary glabrous. Aggregate fruit red, subglobose, glabrous, with many drupelets, enclosed in leaflike persistent calyx; pyrenes rugose. Fl. Jun–Jul, fr. Aug–Sep.

Grasslands on mountain summits, margins of dense forests, rock crevices; 1600--2000 m. Guangdong, Guangxi, Hunan, Jiangxi.


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