Etymology: Rosa: ancient Latin name whose meaning has been lost
Plants: erect, perennial, to 7' tall shrub with many branches; stems with downward curving, stout thorns usually only near the nodes
Leaves: pinnately-divided with usually 7 finely-toothed leaflets
Flowers: pink, 5-parted, 1 1/2"-2 1/3" wide, sepals becoming deciduous; inflorescence solitary or in small, wide clusters (corymbs) of stalked flowers
Fruits: red, smooth, berry-like hips
Habitat: swamps, marshes, streambanks
Conservation Status: Native

Floristic Rating: Coefficient of Conservatism = 7, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Shrubs: Photos, descriptions, information USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions