Vasilis Teodoridis:
Rosaceae | Rosa
14. Rosa omeiensis Rolfe; Bot. Mag. 138: t. 8471. 1912.
???? e mei qiang wei
Rosa omeiensis
Credit: Harvard University Herbaria
Rosa sericea Lindley f. aculeatoeglandulosa Focke; R. sericea f. inermieglandulosa Focke; R. sorbus H. Léveillé.
Shrubs erect; 1–4 m tall. Branchlets slender; prickles absent or if present; paired below leaves; terete; straight; to 7 mm; abruptly flaring to a broad base; or prickles winglike; to 1.5 cm and 3 cm in diam.; bristles absent or if present; dense. Leaves including petiole 3–6 cm; stipules mostly adnate to petiole; free parts triangular-ovate; margin serrate or entire; sometimes glandular; rachis and petiole with a few small prickles; leaflets (5–)9–13(–17); oblong or elliptic-oblong; 8–30 x 4–10 mm; abaxially glabrous or pubescent; glandular or not; adaxially glabrous; with concave midvein; base rounded-obtuse or broadly cuneate; margin acutely serrate; apex acute or rounded-obtuse. Flower solitary; axillary; 2.5–3.5 cm in diam.; pedicel 6–20 mm; glabrous; bracts absent. Hypanthium obovoid or pyriform; glabrous. Sepals 4; lanceolate; abaxially subglabrous; adaxially sparsely pubescent; margin entire; apex acuminate or long caudate. Petals 4; white; obtriangular-ovate; base broadly cuneate; apex emarginate. Styles free; shorter than stamens; villous. Hip bright to deep red or yellow; obovoid or pyriform; 8–15 mm in diam.; glabrous or glandular-pubescent; with persistent; erect sepals; pedicel yellow; tapering to hip; 6–20 mm; stout; fleshy; glabrous. Fl. May–Jun; fr. Jul–Sep.
Abies forests; thickets; scrub; pastures; hillsides; slopes; 700--4000 m. Gansu; Guizhou; Hubei; Ningxia; Qinghai; Shaanxi; Sichuan; Xizang; Yunnan.