(1 May 2003)
Rosa calyptopoda Cardot
短角蔷薇 duan jiao quang wei
Shrubs small, 1–2 m tall.
Branchlets purple-brown, slightly curved, robust, glabrous; prickles scattered, to 1 cm, slightly turgid at base.
Leaves including petiole 1.5–4 cm; stipules mostly adnate to petiole, free parts oblong, margin glandular-pubescent, apex shortly acuminate; rachis and petiole glandular-pubescent, sparsely shortly prickly; leaflets usually 5, rarely 7 or 3, suborbicular or broadly obovate, 4–8 × 3–7 mm, abaxially sparsely pubescent along veins, adaxially glabrous, base broadly cuneate, rarely subrounded, margin acutely serrate at upper part, near base entire, apex truncate.
Flower solitary, 2–2.5 cm in diam.; pedicel short or nearly absent; bracts 3–5, ovate, leaflike, margin glandular-pubescent, apex shortly acuminate. Hypanthium subglobose, glandular-pubescent.
Sepals 5, ovate, abaxially glandular-pubescent, adaxially densely pubescent, margin entire, apex cuspidate or elongate and linear.
Petals 5, pink, obcordate, base broadly cuneate, apex emarginate
Styles free, slightly exserted, equaling or slightly longer than stamens, densely pubescent. Hip red-brown, subglobose, 6–8 mm in diam., with an inconspicuous neck at apex, with persistent sepals. Fl. May–Jun, fr. Jul–Sep.
Scrub; 1600--1800 m. W Sichuan.
(1 May 2003)
Rosa caudata Baker ... 1914.
Shrubs to 4 m tall. Branchlets spreading, terete, glabrous; prickles scattered, triangular, straight, stout. Leaves including petiole 10–20 cm; stipules broad, mostly adnate to petiole, free parts ovate, glandular-pubescent or not, margin entire, apex acuminate; rachis and petiole sparsely glandular-pubescent, shortly prickly; leaflets 7–9, ovate, oblong-ovate, or elliptic-ovate, 3–10 × 1–6 cm, glabrous or sparsely puberulous abaxially along veins, with prominent midvein and lateral veins, base rounded or broadly cuneate, margin simply serrate, apex acute or shortly acuminate. Flowers numerous, in corymb, 3.5–6 cm in diam.; pedicel 1.5–4 cm, densely glandular-pubescent or not; bracts several, ovate, margin glandular or not, apex caudate. Hypanthium oblong, densely glandular-pubescent or glabrous. Sepals 5, triangular-ovate, to 3 cm, leaflike, abaxially glabrous, adaxially densely puberulous, margin entire, apex caudate. Petals 5, red, broadly obovate, abaxially glabrous or sericeous, base broadly cuneate, apex emarginate. Styles free, much shorter than stamens, pubescent. Hip orange-red, oblong, 2–2.5 cm, with persistent, often erect sepals. Fl. Jun–Jul, fr. Jul–Nov.
Valley forests, scrub, slopes; 1200--2500 m. Hubei, Shaanxi, Sichuan.
(1 May 2003)
Rosa chengkouensis T.T.Yu & T.C.Ku
城口蔷薇 cheng kou qiang wei
Shrubs 1.5–2 m tall. Branchlets terete, slender; prickles scattered or in pairs below leaves, straight.
Leaves including petiole 5–8 cm; stipules mostly adnate to petiole, free parts ovate or ovate-lanceolate, abaxially and margin densely glandular-pubescent, apex acute; rachis and petiole pubescent, glandular-pubescent, shortly prickly; leaflets usually 5, rarely 7 or 3, elliptic, oblong, or ovate, 1.5–3.5 × 1–1.8 cm, abaxially sparsely pubescent and glandular punctate, distinctly reticulate, adaxially glabrous, base broadly cuneate or subrounded, margin doubly serrate, teeth often glandular apically, apex acute or rounded-obtuse. Flowers solitary or several, 2.5–3 cm in diam.; pedicel 1.5–3 cm, glandular-pubescent; bracts ovate-lanceolate, margin glandular-pubescent, apex long acuminate.
Sepals 5, oblong-lanceolate, leaflike, both surfaces densely pubescent, margin entire, glandular-pubescent.
Petals 5, pink, broadly obovate, base cuneate, apex rounded. Styles free, slightly exserted, much shorter than stamens, densely pubescent.
Hip dark red, ovoid or obovoid, 7–8 mm in diam., sparsely glandular-pubescent, with persistent, erect sepals. Fl. May–Jun, fr. Aug–Oct.
Scrub, river sides; 1300--2100 m. Chongqing (Chengkou Xian, Wuxi Xian).
(1 May 2003)
Rosa chinensis Jacquin, Observ. Bot. 3: 7. 1768.
yue ji hua
Shrubs erect, 1–2 m tall. Branchlets purple-brown, terete, robust, subglabrous; prickles abundant to absent, curved, stout, flat. Leaves including petiole 5–11 cm; stipules mostly adnate to petiole, free parts auriculate, margin entire, often glandular-pubescent, apex acuminate; rachis and petiole sparsely prickly and glandular-pubescent; leaflets 3–5, rarely 7, greenish abaxially, dark green adaxially, broadly ovate or ovate-oblong, 2.5–6 × 1–3 cm, both surfaces subglabrous, adaxially often shiny, base subrounded or broadly cuneate, margin acutely serrate, apex long acuminate or acuminate. Flowers 4 or 5 and fasciculate, rarely solitary, slightly fragrant or not, 4–5 cm in diam.; pedicel 2.5–6 cm, subglabrous or glandular-pubescent; bracts 1–3, linear, glabrous, margin glandular or entire, apex acute. Hypanthium ovoid-globose or pyriform, glabrous. Sepals 5, deciduous, ovate, sometimes leaflike, abaxially glabrous, adaxially densely villous, margin entire or few pinnately lobed, rarely entire, apex caudate. Petals 5, semi-double or double, red, pink, white, or purple, obovate, base cuneate, apex emarginate. Styles free, exserted, nearly equaling stamens, pubescent. Hip red, ovoid or pyriform, 1–2 cm in diam., glabrous. Fl. Apr–Sep, fr. Jun–Nov. 2n = 21*, 28*.
Native in Guizhou, Hubei, Sichuan; also widely cultivated in China [widely cultivated elsewhere].
(1 May 2003)
Rosa chinensis var. chinensis
yue ji hua (yuan bian zhong)
Rosa nankinensis Loureiro; R. sinica Linnaeus.
Branches robust, often with hooked prickles. Flowers double or semi-double, several, rarely solitary. Leaflets 3–5, rarely 7, abaxially dark green. Petals red, pink or white. Sepals often with a few lobes.
Cultivated in China [widely cultivated elsewhere, of cultivated origin].
A famous Chinese ornamental plant with many widely cultivated horticultural forms
(1 May 2003)
Rosa chinensis var. semperflorens (Curtis) Koehne, Deut. Dendrol. 281. 1893.
zi yue ji hua
Rosa semperflorens Curtis, Bot. Mag. 8: t. 284. 1794.
Branchlets slender, with short prickles. Flowers double or semi-double, often solitary, or 2 or 3 and fasciculate. Leaflets 5–7, thinner, often tinged with purple-red. Petals deep red or deep purple. Sepals often with a few lobes. 2n = 14*.
Cultivated in China [widely cultivated elsewhere; of cultivated origin].
(May 2003)
Rosa chinensis var. spontanea (Rehder & E. H. Wilson) T.T.Yu & T.C. Ku in T. T. Yü, Fl. Reipubl. Popularis Sin. 37: 423. 1985.
dan ban yue ji hua
Rosa chinensis f. spontanea Rehder & E. H. Wilson in Sargent, Pl. Wilson. 2: 320. 1915.
Branches with broad prickles. Flowers single, often solitary. Leaflets 3-5. Petals red. Sepals often entire, rarely with a few lobes.
Native in Guizhou, Hubei, Sichuan.
(May 2003)
Rosa corymbulosa Rolfe
Shrubs small, 1.3-2 m tall. Branchlets...glabrous, prickles absent or sparse. Leaves..margin glandular-pubescent; leaflets 3-5, rarely 7...Flowers numerous, in corymb, rarely solitary, 2-2.5 cm in diam;...Petals 5, red, white at base...Hip bright-red, globose or ovoid...with persistent, erect sepals.
(May 2003)
Rosa cymosa Trattinnick, 1823. syn. Rosa amoyensis Hance; R. banksiae var. microcarpa Regel; R. bodinieri H. Leveille & Vaniot; R. caveleriei H. Leveille; R. chaffonjonii H. Leveille & Vaniot; R. esquiolii H. Leveille & Vaniot; R. fukienensis Metcalf; R. microcarpa Lindley; R. fukienensis Metcalf; R. sorbiflora Focke.
Shrubs evergreen, climbing...2-5 m...prickles scattered, hooked...stipules free...leaflets 3-7...Flowers numerous, 2-2.5 cm in diam., in compound corymbs...Petals 5, fragrant, white or yellow...Hip red, black, purple or black-grown, globose. Flowers May-June.
var. cymosa sparsely pubescent
var. puberula T.T. Tu & T.C. Ku densely pubescent
(May 2003)
Small climbing shrub, 1 m; 8-12 single white flowers in a panicle; dark green 5-7 leaflets; native to northeastern Zheijiang province.
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