Vasilis Teodoridis:
Rosaceae | Rosa
16. Rosa sericea Lindley; Ros. Monogr. 105. 1820.
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Rosa sericea
Credit: Harvard University Herbaria
Rosa tetrapetala Royle; R. wallichii Trattinnick.
Shrubs erect; 1–2 m tall. Branchlets robust; prickles absent or in pairs below leaves and scattered; terete; to 1.2 cm; fine to robust; abruptly flaring to a broad base; or prickles winglike; to 1.2 cm and 3.5 cm in diam.; bristles sometimes dense. Leaves including petiole 3.5–8 cm; stipules mostly adnate to petiole; free parts auriculate; pubescent or glabrous; margin glandular; rachis and petiole pubescent; sometimes sparsely prickly and glandular-pubescent; leaflets (5–)7–11(–13); ovate or obovate; rarely obovate-oblong; 8–20 x 5–8 mm; abaxially sericeous-villous or subglabrous to glabrous; glandular or not; adaxially glabrous; rugose; base broadly cuneate; margin serrate in upper part; entire below; apex rounded-obtuse or acute. Flower solitary; axillary; 2.5–5 cm in diam.; pedicels 1–2 cm; glabrous; bracts absent. Hypanthium obovoid or globose; subglabrous. Sepals 4; ovate-lanceolate; abaxially sparsely pubescent or subglabrous; adaxially villous; margin entire; apex acuminate or acute. Petals 4; white; broadly obovate; base broadly cuneate; apex emarginate. Styles free; shorter than stamens; slightly exserted; villous. Hip red or purple-brown; obovoid or globose; 8–15 mm in diam.; glabrous; with persistent; erect sepals; pedicel 1–2 cm; glabrous; usually not fleshy. Fl. May–Jun; fr. Jul–Aug. 2n = 14.
Sparse woods; forest margins; scrub; valley slopes; dry valleys; cliffs; mountain summits; gravels; dry sunny places; 2000--4400 m. Guizhou; Sichuan; Xizang; Yunnan [Bhutan; India; Myanmar; Sikkim].