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

7b.4. Rosa Linnaeus (subg. Rosa) sect. Gallicae Crépin, J. Roy. Hort. Soc. 11: 221. 1889.

Shrubs, single or forming patches; rhizomatous, ˂rhizomes relatively long˃. Stems erect or arching, (5–)10–15(–20) dm; distal branches glabrous, sparsely setose- and stipitate-glandular; infrastipular prickles absent, rarely present, internodal prickles curved, sometimes erect, rarely hooked or declined, mixed with aciculi, stipitate glands, and smaller prickles ˂to 3 mm˃. Leaves deciduous, rarely persistent, 10.5–12 cm, leathery; stipules caducous, adnate, ˂auricles flared or erect˃, margins entire or serrate, gland-tipped; leaflets 3–5(–7), terminal: petiolule 6–8 mm, blade suborbiculate or ovate to narrowly elliptic, 20–26(–60) × 17–30 mm, abaxial surfaces pubescent, sometimes sessile-glandular, adaxial dull, ˂glabrous˃. Inflorescences panicles, 1–3(–8)-flowered. Pedicels erect, stout, (10–)20–60 mm, pubescent, stipitate-glandular; bracts caducous, 1 or 2, margins entire, stipitate-glandular. Flowers 6–9 cm diam.; hypanthium cupulate, glabrous, stipitate-glandular; sepals ± caducous, reflexed, spreading, or erect, deltate, 16–23 × 2.5–3.5 mm, margins usually pinnatifid, abaxial surfaces glabrous or pubescent, glandular; petals usually double, deep pink to crimson; carpels 30–47, styles free, pilose, rarely glabrous, hypanthium orifice 2 mm diam., hypanthial disc conic, 4–5 mm diam. Hips bright to dark red, globose or subglobose, 8–9 × 10–12 mm, glabrous, setose, densely stipitate-glandular; sepals deciduous, erect to reflexed. Achenes basiparietal.

Species 1: introduced; c, s Europe, w Asia; introduced also in Mexico, Central America, South America, s Africa, Australia.


 

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