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

29. Rubus thibetanus Franchet, Nouv. Arch. Mus. Hist. Nat., sér. 2. 8: 221. 1885.

西藏悬钩子 xi zang xuan gou zi

Rubus veitchii Rolfe.

Shrubs 2–3 m tall. Branchlets reddish brown, cylindric, initially densely soft hairy, glabrescent, with sparse prickles, with white bloom. Leaves imparipinnate, (5–)7–11(–13)-foliolate; petiole 1–2 cm, petiolule of terminal leaflet 0.7–1.5 cm, lateral leaflets sessile, petiolule and rachis with dense soft hairs and sparse, slender prickles; stipules linear-lanceolate, 4–8 mm, pubescent; blade of leaflets variable, terminal leaflet ovate-lanceolate, 2.5–6.5 × 1.5–2.5 cm, more than 2 × as long as lateral leaflets, margin often pinnately lobed, deeply incised or coarsely sharply serrate, apex long acuminate, lateral leaflets obliquely ovate or ovate-orbicular, 1–3 × 0.6–1.5 cm, margin with several large sharp teeth above middle, abaxially densely gray tomentose, adaxially pubescent. Inflorescences terminal, corymbose, 2–4 cm, 3–8-flowered, rarely flowers solitary in leaf axils; rachis and pedicels densely pubescent; bracts linear, 4–6 mm, pubescent. Pedicel 1–1.5 cm. Flowers 1–1.2 cm in diam. Calyx abaxially densely pubescent; sepals spreading at anthesis, reflexed in fruit, triangular-lanceolate, 5–7 × 2–4 mm, apex acuminate. Petals pink or purplish red, orbicular-ovate, 3–4.5 × 3–4 mm. Stamens numerous, purplish red; filaments linear. Pistils nearly as long as stamens; ovary densely pubescent; styles ca. 3 mm, glabrous. Aggregate fruit purplish black or dark red, subglobose, 8–10 mm in diam., densely gray pubescent; pyrenes densely rugulose. Fl. Jun, fr. Aug.

Thickets, forest margins, roadsides, slopes, ravines, dry places; 900--2100 m. Gansu, Shaanxi, Sichuan, Xizang.


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