Rosa rubiginosa var. rubiginosa
sweetbrier
Rosaceae (Rose family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #9845)


Map

E-Flora BC Static Map

Distribution of Rosa rubiginosa var. rubiginosa
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Species Information

General:
Medium to tall shrub, 1 to 3 m tall, usually thicket-forming; stems erect, armed with scattered, flattened, unequal, curved or hooked spines, sometimes also with short straight prickles; mature stems olive-green.
Leaves:
Alternate, deciduous, odd-pinnately compound, the axis fine-prickly and densely glandular; leaflets 5 or 7, broadly elliptic to nearly circular, 1-2.5 cm long, hairy and stalked-glandular beneath, coarsely double-saw-toothed, the teeth gland-tipped; leaves aromatic, especially in warm weather.
Flowers:
Inflorescence of 1 to 3 or more stalked flowers at the end of a lateral branchlet, the stalks glandular-hairy; corollas pink, saucer-shaped, 3-5 cm across, the petals 5, 10-20 mm long; calyces 5-lobed, the lobes 10-20 mm long, stalked-glandular, some of them with narrow, toothed lateral segments, spreading to reflexed after flowering, falling off when the fruit is mature; ovaries superior but enclosed in the urn-shaped floral tube (hypanthium); stamens numerous.
Fruits:
Achenes, enclosed by the fleshy hypanthium, which ripens into a scarlet, globe- to egg-shaped hip 1-1.5 cm long.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Mesic to dry roadsides and waste places in the lowland and steppe zones; infrequent in SW and SC BC; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Rosa eglanteria L.