Rosa nutkana var. muriculata (Greene) G. N. Jones

Rosa muriculata Greene, Leaflets 2: 263. 1812
Rosa nutkana glandulosa Crepin, in herb.
Stem stout, erect, 1 m. high or more, glabrous, dark-green or brown, armed with paired infrastipular prickles, which are straight, stout, slightly ascending, 8-10 mm. long, flattened below, glabrous; floral branches glabrous, unarmed or with weak prickles, 1-2 dm. long; stipules usually dilated, adnate, densely glandular-muricate, the free portion broadly oval; petioles and rachis strongly glandular and more or less prickly; leaflets 5 or 7, broadly oval or subrotund, rounded at the apex; glandular double-toothed, dark-green on both sides, glabrous above, conspicuously glandular-muriculate beneath, 1.5-3 cm. (rarely 4 cm.) long; flowers
2 or 3 together or solitary; pedicels 1-3 cm. long, glandular; hypanthium subglobose, glabrous, in fruit 12-15 mm. in diameter, often acutish at the base; sepals ovate-lanceolate, caudateacuminate, often foliaceously tipped, about 2 cm. long, glandular-hispid on the back; petals obcordate, 2-2.5 cm. long; styles distinct, persistent, not exserted. [Perhaps not distinct from R. nutkana.]
Type locality: Woodland, Cowlitz County, Washington.
Distribution: British Columbia to Montana and northern California, usually near the coast.