All Floras      Advanced Search
FOC Vol. 9 Page 350 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 9 | Rosaceae | Rosa

2. Rosa spinosissima Linnaeus, Sp. Pl. 1: 491. 1753.

密刺蔷薇 mi ci qiang wei

Shrubs low, ca. 1 m tall. Branches spreading or curved, glabrous; branchlets of present year purple-brown or red-brown; prickles dense to sparse, terete, straight or slightly curved, to 4 mm, fine, bristlelike, abruptly broadening at base, intermixed with smaller bristles. Leaves including petiole 4–8 cm; stipules mostly adnate to petiole, free part ovate, margin entire or serrate, teeth often glandular apically; rachis and petiole sparsely prickly and glandular-pubescent; leaflets (5–)7–9(–11), oblong, oblong-ovate, or suborbicular, 1–2.2 × 0.6–1.2 cm, glabrous, base rounded or broadly cuneate, margin simply serrate or partly doubly serrate, teeth glandular apically when young, apex rounded-obtuse or acute. Flowers solitary, or 2 or 3 and fasciculate, axillary, 2–6 cm in diam.; pedicel 1.5–3.5 cm, sparsely pubescent or glabrescent, glandular-pubescent or not; bracts absent. Hypanthium subglobose, glabrous. Sepals lanceolate, abaxially glabrous, adaxially pubescent, margin entire, apex acuminate or caudate-acuminate. Petals 5, white, pink, or yellowish, broadly obovate, base broadly cuneate, apex emarginate. Styles free, much shorter than stamens, pubescent. Hip black or dark brown, subglobose, 1–1.6 cm in diam., glabrous, shiny, with persistent sepals; pedicel to 4 cm, often glandular. Fl. May–Jun, fr. Oct–Sep.

Scrub in forests, grassy slopes, river sides; 1100--2300 m. Xinjiang [Russia (Siberia); C and SW Asia, Europe].

1 Branchlets densely prickly; flowers smaller, 2–5 cm in diam.; petals white, pink, or yellowish; pedicel pubescent and glandular when young.   2a var. spinosissima
+ Branchlets slightly prickly; flowers larger, 4–6 cm in diam.; petals white; pedicel glabrous.   2b var. altaica

Lower Taxa


Related Objects  

Flora of North America  
  • Distribution Map
  • Map

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |