Corymb Rose

Rosa dumetorum Thuill. Fl. Par. ed. 2. 250. 1799
Stems terete, branched, about 2 m. high, armed with uniform, curved, flattened prickles 5-10 mm. long; leaves 5-7-foliolate; stipules adnate, mostly narrow, 1-2 cm. long, more or less pubescent, glandular-ciliate only on the margins; petiole and rachis sparingly pubescent, sometimes slightly prickly; leaflets ovate, acute, sharply serrate, with ascending teeth, more or less pubescent, at least beneath, 1-3 cm. long; flowers 1-3; pedicels glabrous, 1-2 cm. long; hypanthium ellipsoid, glabrous, in fruit 10-12 mm. thick, 15-18 mm. long; sepals lanceolate, caudate-attenuate, 15-20 mm. long, glabrous on the back, tomentose within, more or less lobed, in fruit reflexed and at last deciduous; petals pale pink or white; styles distinct, persistent, slightly exserted; achenes inserted both in the bottom and on the sides of the hypanthium.
Type locality: Vicinity of Paris.
Distribution: Bowling Green, Kentucky; escaped from cultivation; native of Europe.