Rosa virginiana, J. Herrmann

I. Klášterský, 1968, 10. Rosa L., Flora Europaea, Volume 2, Rosaceae to Umbelliferae, Cambrdige: Cambridge University Press, pp. 35-42 : 28

13. R. virginiana J. Herrmann ,

Diss. Rosa 19 (1762).

Stems up to 2 m, with few or no suckers; bark bluish-green, becoming reddish-brown. Prickles hooked, curved or absent. Leaflets 5-9, 20-60 x 12-25 mm, elliptical to elliptic-obovate, often cuneate at base, acute, serrate, dull green above, glabrous or sparsely hairy beneath; teeth eglandular. Flowers 2-8. Bracts much shorter than the pedicels. Pedicels glandular-hispid. Sepals patent and deciduous after anthesis, glandular-hispid on the back. Petals 15-25(-30) mm, pink or white. Styles lanate. Fruit 10-15 mm, ovoid-globose to globose, glandular-hispid. Cultivated for ornament and locally naturalized. [Au Br Ga.] (E. North America.)

Sect, rosa (Sect. Gallicanae DC.). Erect, usually low shrubs. Rhizome long. Stems usually with hooked prickles mixed with acicles. Outer sepals usually pinnatifid, deflexed and deciduous after anthesis. Disc wide, with a narrow orifice. Carpels sessile. Styles free.