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

76. Rubus wushanensis T. T. Yu & L. T. Lu, Acta Phytotax. Sin. 20: 305. 1982.

巫山悬钩子 wu shan xuan gou zi

Shrubs to 2 m tall. Branchlets brownish, cylindric, glabrous, with sparse prickles. Leaves imparipinnate, 5(–7)-foliolate; petiole 8–10 cm, petiolule of terminal leaflet 2–3 cm, lateral leaflets subsessile, petiolule and rachis glabrous or sparsely pubescent, with sparse, small prickles; stipules purplish, suborbicular or broadly ovate, 1.2–1.8 × 1.2–1.9 cm, membranous, glabrous; blade of leaflets elliptic, oblong, or ovate-lanceolate, 10–12 × 3.5–7 cm, abaxially densely gray tomentose, adaxially glabrous, base rounded, obliquely rounded on lateral leaflets, margin irregularly coarsely serrate, apex acuminate. Inflorescences terminal, corymbose, several flowered; bracts broadly ovate or suborbicular, nearly as large as or slightly larger than stipules, membranous. Pedicel 2–3 cm, glabrous, unarmed. Calyx reddish brown, abaxially glabrous; sepals erect, broadly ovate or ovate-lanceolate, only inner sepals with gray tomentose margin, apex shortly acuminate. Petals narrowly obovate, shorter than sepals, base shortly clawed. Stamens many; filaments linear, base slightly broader. Pistils longer than stamens; apical part of ovary and basal part of style densely long gray tomentose. Aggregate fruit subglobose, ca. 1.5 cm in diam., densely long gray tomentose, with persistent styles. Fl. May–Jun, fr. Jul–Aug.

Mountainous areas; below 2000 m. Chongqing (Wushan Xian).


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