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FOC | Family List | FOC Vol. 9 | Rosaceae | Rosa

30. Rosa davurica Pallas, Fl. Ross. 1(2): 61. 1789.

山刺玫 shan ci mei

Shrubs erect, ca. 1.5 m tall. Branchlets purple-brown or gray-brown, terete, glabrous; prickles paired below leaves, yellowish, terete, slightly curved, abruptly flaring to broad base. Leaves including petiole 4–10 cm; stipules mostly adnate to petiole, free parts ovate, abaxially pubescent, margin glandular serrate, apex acute; rachis and petiole pubescent, glandular-pubescent, sparsely prickly; leaflets 7–9, oblong or broadly lanceolate, 1.5–3.5(–4) × 0.5–1.5 cm, abaxially glandular punctate or not, sparsely puberulous or glabrous with prominent midvein and lateral veins, adaxially glabrous, with concave midvein and lateral veins, base rounded or broadly cuneate, margin simple and doubly serrate, apex acute or rounded-obtuse. Flowers solitary, or 2 or 3 and fasciculate, axillary, 3–4 cm in diam.; pedicel 5–8 mm, glabrous or glandular-pubescent; bracts ovate, abaxially pubescent and glandular punctate, margin glandular serrate, apex acuminate. Hypanthium subglobose, glabrous. Sepals 5, lanceolate, leaflike, abaxially sparsely pubescent and shortly glandular-pubescent, adaxially pubescent, margin irregularly serrate or glandular-pubescent. Petals 5, pink, obovate, base broadly cuneate, apex rounded. Styles free, much shorter than stamens, pubescent. Hip red, globose or ovoid, 1–1.5 cm in diam., with a distinct neck, glabrous, with persistent, erect sepals. Fl. Jun–Jul, fr. Aug–Sep.

Sunny places at forest margins, grassy places on hills, slopes; 400--2500 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shanxi [Japan, Korea, S Mongolia, Russia (E Siberia)].

1 Branchlets densely prickly, prickles unequal.   30c var. setacea
+ Branchlets sparsely prickly, prickles equal.   (2)
2 (1) Leaflets usually smaller, 1.5–3.4(–4) cm, abaxially glandular punctate, sparsely pubescent or glabrous.   30a var. davurica
+ Leaflets to 4 cm, abaxially not glandular punctate, glabrous or pubescent only along veins.   30b var. glabra

Lower Taxa


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