20. Rosa beggeriana Schrenk in Fischer & C. A. Meyer, Enum. Pl. Nov. 1: 73. 1841.
弯刺蔷薇 wan ci qiang wei
Shrubs 1.5–3 m tall. Branchlets purple-brown, terete, slightly curved, glabrous; prickles scattered and in pairs below leaves, yellowish, hooked, to 8 mm, slender to stout, gradually tapering to broad base. Leaves including petiole 3–9 cm; stipules mostly adnate to petiole, free parts ovate, margin glandular serrate, apex acuminate; rachis and petiole pubescent, sometimes with small prickles; leaflets 5–9, broadly elliptic or elliptic-obovate, 8–25 × 5–12 mm, abaxially pubescent or glabrous, with prominent midvein, adaxially glabrous or pubescent, with concave midvein, base subrounded or broadly cuneate, margin acutely simply serrate, near base entire, apex acute or rounded-obtuse. Flowers several or numerous in corymb or panicle, rarely solitary, 2–3 cm in diam.; pedicel 1–2 cm, glabrous or pubescent, occasionally sparsely glandular-pubescent; bracts 1–3(or 4), ovate, margin glandular serrate, apex acuminate. Hypanthium subglobose, glabrous or pubescent. Sepals 5, deciduous, lanceolate, leaflike, abaxially glandular-pubescent, adaxially densely puberulous, margin entire, apex caudate. Petals 5, white, rarely pink, broadly obovate, base broadly cuneate, apex emarginate. Styles free, much shorter than stamens, villous. Hip red, becoming black-purple, subglobose, rarely ovoid, 6–10 mm in diam., glabrous, after ripening apical part of hypanthium and sepals deciduous together. Fl. May–Jul, fr. Jul–Oct. 2n = 14*.
Slopes, valleys, river sides, roadsides; 900--2000 m. Gansu, Xinjiang [Afghanistan, Kazakhstan, Mongolia].