(1 May 2003)
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 May 2003)
Rosa deqenensis T.C.Ku
德钦蔷薇 de qian qiang wei
Shrubs small, ca. 1 m tall, glabrous. Branchlets gray-green, red-brown when old, terete, glabrous; prickles sparse, subulate, straight or slightly curved.
Leaves including petiole 2–2.5 cm; stipules mostly adnate to petiole; rachis and petioles glabrous, sparsely glandular-pubescent, with small, straight or curved prickles; leaflets usually 7, obovate, 7–10 × 5–8 mm, both surfaces glabrous, abaxially sparsely glandular-pubescent, base cuneate, margin doubly serrate, apex rounded.
Flowers 2 or 3 and fasciculate; bracts caducous, unknown. Hypanthium compressed-globose, sparsely glandular.
Sepals 5, deciduous, ovate-lanceolate, 8–10 mm, abaxially sparsely pubescent and glandular-pubescent, adaxially densely tomentose-pubescent, margin glandular, with 1–3 pairs of lobules, apex acuminate or caudate.
Petals unknown. Styles connate into column, exserted, equaling stamens, sparsely pubescent.
Hip red-brown, subglobose, 8–10 mm in diam., sparsely glandular-pubescent or densely so; sepals reflexed, very late deciduous. Fr. Jul.
Stream sides; 2000--2100 m. NW Yunnan (Dêqên Xian).
(1 May 2003)
Rosa derongensis T. C. Ku, Bull. Bot. Res., Harbin. 10(1): 7. 1990.
得荣蔷薇 de rong qiang wei
Shrubs small.
Branchlets purple-brown or red-brown, terete, curved, glabrous; prickles often yellowish or gray-brown, straight or slightly curved, robust, inflated at base.
Leaves including petiole 2.5–3.2 cm; stipules mostly adnate into petiole, free parts shortly triangular or ovate, glabrous, margin glandular serrate, rachis and petioles glabrous, sparsely glandular-pubescent and with small, curved prickles; leaflets 5, rarely 7, yellow-green abaxially, deep green adaxially, obovate, 9–15 × 6–10 mm, both surfaces glabrous, base cuneate or subrounded, margin sharply serrate, apex rounded.
Flowers 2 or 3 and fasciculate, rarely solitary; bracts caducous, unknown. Hypanthium ovoid.
Sepals 5, lanceolate or ovate-lanceolate, 7–9 mm, abaxially pubescent and glandular-pubescent, adaxially tomentose-pubescent, margin with 1 or 2 pairs of lobes, apex acuminate, after anthesis reflexed.
Petals unknown.
Style connate in column, exserted, slightly shorter than stamen, glabrous.
Hip red-brown, subglobose or obovoid, ca. 8 mm in diam., sparsely glandular. Hip unknown.
About 2100 m. W Sichuan (Dêrong Xian).
(1 May 2003)
osa duplicata T. T. Yu & T. C. Ku, Acta Phytotax. Sin. 18: 501. 1980.
重齿蔷薇 chong chi qiang wei
Shrubs small, 1.5–2 m tall.
Branchlets purple-brown when young, later gray-brown, terete, curved, slender, glabrous; prickles sparse, yellowish.
Leaves including petiole 2–2.5 cm; free parts lanceolate, glabrous or sparsely glandular-pubescent, margin entire, apex acuminate; rachis and petiole shortly prickly, glandular-pubescent; leaflets 3–5, obovate or elliptic, 8–15 × 5–8 mm, glabrous, abaxially glandular, base subrounded or broadly cuneate, margin doubly serrate, apex rounded-obtuse or truncate.
Flowers solitary or 2 or 3 and fasciculate, ca. 1 cm in diam.; pedicel 5–10 mm, glandular-pubescent; bracts unknown. Hypanthium subglobose, abaxially sparsely pubescent and glandular-pubescent.
Sepals 5, deciduous, ovate-lanceolate, abaxially sparsely pubescent and glandular-pubescent, adaxially densely puberulous, margin entire, apex shortly caudate. Petals 5, yellowish or white, obovate, base broadly cuneate, apex rounded-obtuse.
Styles connate into column, exserted, slightly longer than stamens, sparsely pubescent or subglabrous.
Hip purple-red, subglobose, ca. 5 mm in diam., sparsely glandular; sepals very late deciduous.
Fl. May–Jul, fr. Aug–Sep.
Farmland, roadsides; 2400--2600 m. Xizang.
(1 May 2003)
Rosa fargesiana Boulenger, Bull. Jard. Bot. État. 14: 182. 1936.
川东蔷薇 chuan dong qiang wei
Shrubs deciduous. Branchlets purple-brown, terete, slender, glabrous; prickles scattered, straight, short. Leaves 7–10 cm including petiole; stipules mostly adnate to petiole, free parts ovate or lanceolate, ca. 3 mm, glabrous, abaxially and at margin glandular-pubescent; rachis and petiole densely glandular-pubescent; leaflets (5 or)7–11, pale green abaxially, deep green adaxially, elliptic or oblong-elliptic, 1.5–4 × 1–2.5 cm, abaxially brown hirsute, densely so along veins, adaxially subglabrous, base cuneate to broadly so, margin acutely doubly serrate; teeth glandular apically when young.
Flowers 1–3, 1.5–2 cm in diam.; peduncle ca. 2 cm, slightly glandular-pubescent or subglabrous; pedicel 3–4 cm, glandular hairy; bracts ovate-lanceolate, ca. 2 mm, abaxially and at margin glandular-pubescent, apex acute or acuminate. Hypanthium campanulate, abaxially glandular-pubescent.
Sepals lanceolate, ca. 1 cm, margin glandular-pubescent, sometimes pinnately lobed, apex long acuminate or caudate-acuminate.
Petals white, broadly obovate, 1.2–1.5 × 1–1.3 cm, base broadly cuneate, apex emarginate or 2-lobed.
Styles free, slightly exserted, shorter than stamens, pubescent.
Hip unknown. Fl. Jun–Aug.
Chongqing (Chengkou Xian).
(1 May 2003)
Rosa fedtschenkoana Regel, Trudy Imp. S.-Peterburgsk. Bot. Sada. 5: 314. 1878.
腺果蔷薇 xian guo qiang wei
Shrubs large, to 6 m tall. Branchlets terete, prickly; prickles yellowish, straight, to 7 mm, rigid, gradually tapering to broad base. Leaves including petiole 3–4.5 cm; stipules mostly adnate to petiole, free parts lanceolate or ovate, margin glandular-pubescent, apex acute; rachis and petiole glabrous or sparsely glandular-pubescent; leaflets usually 7, rarely 5 or 9, suborbicular or ovate, glabrous, leathery, abaxially with prominent veins, base subrounded or broadly cuneate, margin simply serrate, entire near base, apex rounded-obtuse. Flowers solitary, sometimes 2–4 and fasciculate, 3–4 cm in diam.; pedicel 1–2 cm, stipitate glandular-pubescent; bracts ovate or ovate-lanceolate, margin glandular-pubescent, apex caudate or acute. Hypanthium ovoid, stipitate glandular, rarely glabrous. Sepals 5, lanceolate, abaxially stipitate glandular, adaxially densely pubescent, apex acuminate. Petals 5, white, rarely pink, broadly obovate, base broadly cuneate, apex erose. Styles free, shorter than stamens, pubescent. Hip deep red, oblong or ovoid, 1.5–2 cm in diam., densely glandular-pubescent, with persistent sepals. Fl. Jul–Aug, fr. Aug–Oct.
Scrub, slopes, stream sides in valleys; 2400--2700 m. Xinjiang [Kazakhstan].
(1 May 2003)
Rosa filipes Rehder & E. H. Wilson in Sargent, Pl. Wilson. 2: 311. 1915.
Shrubs climbing, 3–5 m tall, with long repent branches. Branchlets purple-brown, terete, glabrous; prickles scattered, curved, to 5 mm, stout, flat, gradually tapering to a broad base. Leaves including petiole 8–14 cm; stipules narrow, mostly adnate to petiole, free parts lanceolate, margin entire, sparsely glandular-pubescent, apex acuminate; rachis and petiole sparsely pubescent, glandular-pubescent, with scattered, small hooked prickles; leaflets 5–7, rarely 3 or 9, oblong or lanceolate, rarely obovate, 4–7 × 1.5–3 cm, abaxially subglabrous or puberulous along prominent veins, glandular punctate, adaxially glabrous, base subrounded or broadly cuneate, sometimes slightly oblique, margin simply serrate, rarely inconspicuously doubly serrate, apex acuminate. Flowers 25–35, 2–2.5 cm in diam., in compound corymb or panicle ca. 15 cm in diam.; pedicel sparsely glandular-pubescent, 2–3 cm; bracts ovate-lanceolate or lanceolate, margin glandular-pubescent, apex acuminate. Hypanthium ovoid, glandular-pubescent. Sepals 5, deciduous, ovate-lanceolate, abaxially sparsely pubescent and glandular-pubescent, adaxially densely pubescent, margin entire, apex acuminate. Petals 5, fragrant, white, obovate. Styles connate into column, exserted, pubescent. Hip deep red, subglobose, ca. 8 mm in diam.; sepals reflexed, eventually deciduous. Fl. Jun–Jul, fr. Jul–Nov.
Thickets, roadsides; 1300--2300 m. Gansu, Shaanxi, Sichuan, Xizang, Yunnan.
One of us (Gu) wonders if Rosa tatsienlouensis Cardot (Notul. Syst. (Paris) 3: 264. 1916), described from Sichuan (Kangding Xian), is identical with R. filipes. Further study is required.
(1 May 2003)
Shrubs small, 1–2 m tall. Branchlets terete... slender; prickles scattered or in pairs below leaves, yellowish, straight, stout. Leaves including petiole 2.2–6 cm; stipules broad, mo... margin glandular serrate, apex acuminate; rachis and petiole sparsely glandular-pubescent and shortly prickly; leaflets 5–7, rarely 9, suborbicular, ovate, or obovate, 6–18 × 4–15 mm, ... adaxially glabrous, base subrounded, margin doubly serrate, teeth often glandular apically, apex rounded-obtuse or truncate. Flowers solitary or to 5, in corymb, 2–3.5 cm in diam.; pedicel 1.5–2.5 cm, glandular-pubescent; bracts 1–3, at base or middle of pedicel, orbicular or ovate, glabrous, margin glandular serrate, apex apiculate. Hypanthium ovoid, glandular-pubescent. Sepals 5, ovate-lanceolate, abaxially glandular, adaxially puberulous, leaflike, margin entire, sometimes serrate, apex slightly elongate. Petals 5, deep red, broadly obovate, base broadly cuneate, apex emarginate. Styles free, slightly exserted, nearly equaling stamens, densely yellow-white villous. Hip red, ovoid, 9–13 mm in diam., with a short neck at apex, glabrous, with persistent, erect sepals. Fl. May, fr. Jul–Oct.
Scrub; 2400--3000 m. Sichuan, NW Yunnan.
(1 May 2003)
Rosa giraldii Crépin, Bull. Soc. Bot. Ital. 1897: 232. 1897.
Shrubs to 2 m tall. Branchlets erect or spreading, slender; prickles paired at base of leaves, sparse, terete, straight, to 8 mm, slender, abruptly narrowing to elliptic base. Leaves including petiole 4–8 cm; stipules mostly adnate to petiole, free parts ovate, margin glandular serrate, shortly acuminate; rachis and petiole sparsely pubescent, glandular-pubescent, shortly prickly; leaflets 7–9, suborbicular, obovate, or elliptic, 1–2.5 × 0.6–1.5 cm, abaxially pubescent or rarely puberulous along midvein, adaxially glabrous or pubescent, base rounded or broadly cuneate, margin simple or doubly serrate, teeth glandular or not, apex rounded-obtuse or acute. Flowers solitary, or 2 or 3 and fasciculate, 2–3 cm in diam.; pedicel not exceeding 1 cm, glandular-pubescent or not; bracts 1 or 2, ovate, glabrous, margin glandular serrate, apex acute or shortly caudate. Hypanthium obovate, glandular-pubescent. Sepals 5, ovate-lanceolate, abaxially glandular-pubescent, adaxially puberulous, margin entire or 1- or 2-lobed, apex caudate. Petals 5, pink, broadly obovate, base cuneate, apex emarginate. Styles free, shorter than stamens, densely yellowish pubescent. Hip dark red, ovoid, ca. 1 cm in diam., glandular-pubescent or not, with a short neck at apex, often with persistent, erect sepals. Fl. May–Jul, fr. Jul–Oct.
Scrub, slopes; 700--2000 m. Gansu, Henan, Hubei, Shaanxi, Shanxi, Sichuan.
(1 May 2003)
Rosa giraldii var. venulosa Rehder & E. H. Wilson in Sargent, Pl. Wilson. 2: 328. 1915.
毛叶陕西蔷薇 mao ye shan xi qiang wei
Leaflets abaxially densely pubescent, distinctly reticulate, adaxially pubescent.
Scrub; 1000--1600 m. W Hubei, S Shaanxi, Sichuan.
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