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

33. Sorbus rufopilosa C. K. Schneider, Bull. Herb. Boissier, sér. 2. 6: 317. 1906.

红毛花楸 hong mao hua qiu

Shrubs or small trees, 2.7–5 m tall. Young branches dark gray to grayish brown, terete, rusty pubescent when young, glabrescent, with few small lenticels; buds ovoid, 5–8 mm, apex acute and slightly pubescent; scales several, dark brown. Leaves imparipinnate, together with rachis 6–10 cm; petiole ca. 1 cm; stipules lanceolate to semiorbicular, 3–5 mm, somewhat herbaceous, margin coarsely serrate; rachis abaxially pubescent, narrowly winged, adaxially grooved; leaflet blades 8–14(–17)-paired, at intervals of 5–9 mm, elliptic to narrowly elliptic or lanceolate, (0.8–)1–2 cm × (3–)6–10 mm, lateral veins 6–8(–10) pairs, abaxially densely pubescent along midvein when young, subglabrous when old, adaxially sparsely pubescent, base broadly cuneate or rounded, with 6–10 minute sharp teeth per side, entire basally, apex acute or obtuse. Inflorescences corymbose or compound-corymbose, 2.5–4(–5) cm, 3–8(or more)-flowered; rachis and pedicels pubescent; bracts lanceolate or linear, 3–4 mm, margin slightly serrate. Pedicel 3–5 mm. Flowers 6–8 mm in diam. Hypanthium campanulate, abaxially glabrous. Sepals triangular, apex obtuse, rarely acute. Petals pink, broadly ovate, 4–5 × 3–4 mm, glabrous. Stamens 20, shorter than petals. Styles 3 or 4(or 5), ca. as long as stamens, pilose basally. Fruit red, ovoid-globose, 8–10 mm in diam., with persistent erect sepals. Fl. May–Jun, fr. Aug–Sep. 2n = 34.

Coniferous or mixed forests, thickets in valleys; 2700--4000 m. Guizhou, Sichuan, Xizang, Yunnan [Bhutan, India, N Myanmar, Nepal, Sikkim].

1 Leaflet blade elliptic or narrowly elliptic, 10–20 × 6–10 mm; branchlet, leaflet blade, and inflorescence with rust-red hairs.   33a var. rufopilosa
+ Leaflet blade lanceolate, 8–12 × 3–5 mm, branchlet, leaflet blade, and inflorescence ± with gray woolly hairs.   33b var. stenophylla

Lower Taxa


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