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

50. Rubus subcoreanus T. T. Yu & L. T. Lu, Acta Phytotax. Sin. 20: 302. 1982.

柱序悬钩子 zhu xu xuan gou zi

Shrubs erect, 1–2 m tall, with arching branches. Branchlets reddish brown, glabrous, without glaucous bloom, with straight or somewhat curved prickles. Leaves imparipinnate, usually 5-foliolate; petiole 2–4 cm, petiolule of terminal leaflet 1–2 cm, lateral leaflets sessile or subsessile, together with petiolule and rachis thinly pubescent, with sparse, minute prickles; stipules linear-lanceolate, puberulous; blade of leaflets ovate, broadly ovate, or rhombic-ovate, 2–6 × 1.5–4 cm, abaxially glabrous or pilose only along veins, adaxially glabrous or sparsely pubescent, base cuneate or broadly cuneate, rarely subrounded, margin incised coarsely sharply serrate or doubly serrate, sometimes pinnate-lobed on terminal leaflet, apex acute. Inflorescences terminal on lateral branchlets, racemes, compact, cylindric, short; rachis and pedicels densely grayish yellow villous; bracts lanceolate, grayish yellow villous. Pedicel 5–10 mm. Flowers 5–8 mm in diam. Calyx abaxially densely grayish yellow villous; sepals erect, spreading, ovate or broadly ovate, 3–5 mm, margin not tomentose, apex obtuse or acute, abruptly shortly pointed. Petals purplish red, spatulate, rarely obovate, ca. 2 × or longer than sepals, base shortly clawed, soft hairy. Stamens many; filaments purplish red, linear, basally slightly broadened and flattened. Pistils numerous; ovary densely gray villous; styles glabrous. Aggregate fruit red, subglobose, 6–8 mm in diam., glabrous or subglabrous. Fl. May–Jun, fr. Jul–Aug.

Slopes, thickets along stream sides or ditches, riverbank bluffs; 900--1500 m. Gansu, Henan, Shaanxi.


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