Rosa woodsii Lindl.

Rosa woodsii Lindl. Ros. Monogr. 21. 1820
Rosa Maximiliani Nees, in Max. Reise N. Am. 2: 434. 1841.
Rosa foliolosa leiocarpa Torrey, in Frem. Rep. 85, as a hyponym. 1843.
Rosa Macounii Rydb. Fl. Colo. 191. 1906. Not R. Macounii Greene, 1899.
? Rosa fimbriatida Greene, Leaflets 2: 135. 1911.
Rosa Sandbergii Greene, Leaflets 2: 136. 1911.
Rosa deserta Lunell, Am. Midi. Nat. 2: 156. 1912.
Stem reddish -brown, terete, glabrous, 0.5-2 m. high, armed with rather numerous, straight or slightly curved prickles 4-8 mm. long; floral branches 1-2 dm. long, usually somewhat prickly; stipules adnate, narrow or the upper somewhat dilated, 1-1.5 cm. long, glabrous, usually glandless, rarely slightly glandular-pruinose, entire or somewhat toothed, the free portion lanceolate to ovate; rachis and petiole glabrous, occasionally with a few prickles or stalked glands; leaflets 5-7, obovate, cuneate at the base, distinctly petioluled, entire at the base, serrate above, glabrous on both sides, glaucous beneath, 1-2 cm., rarely 3 cm. long; flowers solitary or 2 or 3 together; pedicels 1-2 cm. long, glabrous; hypanthium globose, or rarely ellipsoid, glabrous, in fruit 8-10 mm. thick; sepals lanceolate, caudate-attenuate, about 15 mm. long, glabrous or slightly glandular on the back, tomentose on the margins and within, erect in fruit; styles persistent, distinct, not exserted; achenes inserted in the bottom and on the sides of the hypanthium.
Type locality: On the Missouri River.
Distribution: Saskatchewan and North Dakota to Kansas, Utah, and British Columbia.