银粉蔷薇 yin fen qiang wei

Rosa sempervirens Linnaeus var. anemoniflora (Fortune ex Lindley) Regel; R. triphylla Roxburgh ex Hemsley.

Shrubs climbing, small. Branchlets purple-brown, terete, slender, glabrous; prickles sparse, curved, to 2 mm, flat, gradually tapering to base, sometimes intermixed with smaller prickles, bristles, and glandular trichomes. Leaves including petiole 4–11 cm; stipules narrow, mostly adnate to petiole, apical free parts lanceolate, margin glandular serrate, apex acuminate; rachis and petiole sparsely shortly prickly and glandular-pubescent; leaflets 3, rarely 5, ovate-lanceolate or oblong-lanceolate, 2–6 × 0.8–2 cm, glabrous, midvein prominent abaxially, concave adaxially, base rounded or broadly cuneate, margin depressed-serrulate, apex acuminate. Flowers solitary or several in corymb, rarely in corymb-panicle, 2–2.5 cm in diam.; pedicel 1–3.5 cm, sparsely glandular-pubescent; bracts ovate-oblong, margin glandular-pubescent, apex acuminate. Hypanthium ovoid, glabrous. Sepals 5, lanceolate, abaxially glabrous, adaxially puberulous, margin sparsely glandular-pubescent, entire, apex acuminate. Petals 5, pink or white, obovate, base cuneate, apex emarginate. Styles connate into column, exserted, slightly longer than stamens, pubescent. Hip purple-brown, ovoid, ca. 7 mm in diam., glabrous, with persistent sepals. Fl. Mar–May, fr. Jun–Aug.

Slopes, river sides, roadsides, waste fields; 400--1000 m. Fujian.