Rosa multiflora

Multiflora rosa

Family: Rosaceae · Type: shrub · Not Native

Multiflora rosa is a naturalized shrub found in northern coastal California, the Cascade Range, Sacramento Valley, and southern California coastal areas in disturbed open sites at elevations of 20 to 700 meters. Flowering from April to June, this plant produces white flowers in clusters of 5 to 30 blooms, each flower 7 to 13 millimeters wide. Growing as a thicket-forming or climbing shrub 1.5 to 7.5 meters tall, it features curved prickles 4 to 6 millimeters long with thick bases. Its compound leaves have 7 to 9 leaflets, with the terminal leaflet 10 to 45 millimeters long, elliptic to obovate, and edged with single teeth. The fruit is a small ovoid to spheric rose hip 5 to 7 millimeters wide, with reflexed sepals and multiple small achenes.

Habitat: Generally +- disturbed open sites

Bloom period: Apr-Jun

Elevation: 20-700 m

Bioregions: NCoRO, CaR, ScV, SnGb

California counties: Los Angeles, San Mateo, Sutter, Butte, Siskiyou, Shasta, Glenn, Colusa

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.