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

6. Rubus cockburnianus Hemsley, J. Linn. Soc., Bot. 29: 305. 1892.

华中悬钩子 hua zhong xuan gou zi

Rubus giraldianus Focke.

Shrubs 1.5–3 m tall. Branchlets brownish to reddish brown, glabrous, glaucous, with sparse, curved prickles. Leaves imparipinnate, 7–9-foliolate, rarely 5-foliolate; petiole 3–5 cm, petiolule of terminal leaflet 1–2 cm, lateral leaflets subsessile, petiolule and rachis glabrous, with sparse, curved minute prickles; stipules linear or linear-lanceolate, 5–7 mm, glabrous; blade of leaflets oblong-lanceolate or ovate-lanceolate, terminal leaflet sometimes nearly rhombic and minutely lobed, 5–10 × 1.5–4(–5) cm, abaxially gray tomentose, adaxially glabrous or sparsely pilose, base broadly cuneate or rounded, margin irregularly coarsely serrate or incised-doubly serrate, usually lobed on terminal leaflet, apex acuminate. Inflorescences terminal or axillary, terminal ones cymose panicles, 10–16(–18) cm, lateral ones often subracemes, rarely subcorymbose; rachis and pedicels glabrous; bracts linear, 2–5 mm, glabrous. Pedicel somewhat reddish when young, 7–12 mm, slender. Flowers to 1 cm in diam. Calyx abaxially glabrous; sepals erect at anthesis, reflexed in fruit, ovate-lanceolate, 5–8 × 2–4 mm, margin gray tomentose and entire, apex long acuminate. Petals pink, suborbicular or obovate, 5–7 × 4–5 mm, margin premorse or coarsely serrate above middle, base shortly clawed. Stamens many, slightly shorter than petals; filaments linear, broader toward base. Pistils slightly shorter than stamens; ovary soft hairy; styles glabrous. Aggregate fruit purplish black, subglobose, less than 1 cm in diam., slightly pubescent or subglabrous; pyrenes shallowly rugose. Fl. May–Jul, fr. Aug–Sep.

Thickets on sunny slopes, dense forests in montane valleys, river sides; 900--4000 m. Henan, Shaanxi, Sichuan, Xizang, Yunnan.


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