西南蔷薇 xi nan qiang wei

Shrubs 1.5–3 m tall. Branchlets erect or spreading, terete, slender, glabrous; prickles sparse, straight, to 6 mm, fine, tapering to a broad base; bristles and small, slender prickles often dense. Leaves including petiole 9–14 cm; stipules mostly adnate to petiole, free parts ovate, auriculate, margin glandular serrate, apex acuminate; rachis and petiole sparsely pubescent and shortly prickly, sometimes glandular-pubescent; leaflets 9–15, elliptic or oblong, rarely ovate or broadly elliptic, 1–4.5 × 0.8–2.5 cm, abaxially pubescent, with prominent midvein and lateral veins, adaxially glabrous, base subrounded or broadly cuneate, margin simple glandular serrate, apex acute or shortly acuminate. Flowers 2–5(–7), in corymb, sometimes solitary, 2–3 cm in diam.; pedicel 2–4 cm, subglabrous or sparsely pubescent and glandular-pubescent; bracts and bracteoles ovate-lanceolate, abaxially puberulous or not, margin glandular serrate, apex caudate. Hypanthium ellipsoid, glabrous or villous toward apex. Sepals 5, longer than petals, triangular-ovate, abaxially subglabrous, adaxially puberulous, margin entire, apex long caudate. Petals 5, white, or pink and white at base, obovate, apex emarginate. Styles free, much shorter than stamens, densely pubescent. Hip orange-red, ellipsoid or pyriform, ca. 1 cm in diam., glabrous, with a short neck at apex, with persistent sepals. Fl. Jun–Jul, fr. Aug–Nov.

Scrub; 2300--3800 m. Sichuan, Yunnan.