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

144. Rubus forrestianus Handel-Mazzetti, Symb. Sin. 7: 490. 1933.

贡山蓬蘽 gong shan peng lei

Shrubs lianoid, to 2 m tall. Branchlets brownish, terete, densely pubescent and glandular, with curved minute prickles. Leaves simple; petiole 2–3.5 cm, densely pubescent and glandular, with sparse, curved minute prickles; stipules caducous, free, to 1 cm, deeply lobed, lobes linear to linear-lanceolate, with short hairs and glands; blade broadly ovate or oblong-ovate, 5–12 × 4–9 cm, both surfaces sparsely pubescent and densely glandular, abaxially with sparse, curved small prickles along midvein, base cordate, margin 3–5-lobed or slightly undulate, densely sharply serrate, apex shortly acuminate. Inflorescences terminal and axillary, terminal ones cymose panicles, 7–12 cm, axillary ones subracemes, sometimes flowers several in clusters in leaf axils; rachis and pedicels densely pubescent and glandular; bracts 6–8 mm,-lobed; lobes linear to linear-lanceolate, pubescent, glandular. Pedicel 4–8 mm. Flowers 6–8 mm in diam. Calyx tube shallowly campanulate; sepals triangular-lanceolate or ovate-lanceolate, 5–7 × 2–3 mm, margin entire, apex caudate. Petals white, spatulate or rhombic-elliptic, 4–6 × 3–4 mm, both surfaces pubescent, base broadly shortly clawed, apex obtuse to ± acute. Stamens many, slightly shorter than petals; filaments broad, complanate. Pistils few, slightly shorter than or ca. as long as stamens; style and ovary usually glabrous. Aggregate fruit red, subglobose, 5–7 mm when immature, glabrous, with few drupelets; pyrenes 1.5–2 mm, rugulose. Fl. May–Jun, fr. Jul–Aug.

River valleys; 1000--2000 m. W Yunnan.


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