3. Rosa farreri Cox, Pl. Introd. Reginald Farrer. 49. 1930.
刺毛蔷薇 ci mao qiang wei
Rosa farreri f. persetosa Stapf.
Shrubs small, 1–2 m tall. Branchlets terete, slender; bristles dense; prickles sparse. Leaves including petiole 3–5 cm; stipules mostly adnate to petiole, free parts lanceolate, glabrous, margin glandular; rachis and petiole glandular-pubescent and sparsely prickly; leaflets 7–9(–11), ovate or elliptic, 5–18 × 3–10 mm, glabrous or abaxially along midvein sparsely pubescent, base cuneate or subrounded-obtuse or acute, margin entire near base. Flower solitary, axillary, 1.5–2 cm in diam.; pedicel 1–2.6 cm, glabrous, glandular or not; bracts absent, rarely present, then at base of pedicel, ovate, small. Hypanthium oblong, glabrous. Sepals 5, ovate-lanceolate, abaxially glabrous, adaxially tomentose, margin entire, apex attenuate into a linear part. Petals 5, pink, pinkish, or white, obovate or oblong, apex emarginate. Styles not exserted, much shorter than stamens, densely pubescent. Hip deep red, ellipsoid or ovoid-oblong, 8–12 mm, glabrous, with a short neck at apex and persistent sepals; pedicel 1–2.6 cm, glabrous. Fl. May–Jun, fr. Jun–Sep.
Scrub; 1500--2800 m. Gansu, Sichuan.
One of us (Robertson) has seen no specimens of this species.