Burke: Rosa rubiginosa vs. Rosa canina

	Rosa rubiginosa	Rosa canina
	sweetbrier rose, small-flowered sweetbrier	dog rose
Habit	Coarse shrub 1-2 m. tall, with well-developed, flattened, unequal, strongly curved or hooked prickles, the foliage sweetly aromatic.	Coarse shrub 1-3 m. tall, with well-developed, flattened, curved or hooked prickles.
Leaves	Leaves alternate, deciduous, odd-pinnate with 5-7 firm leaflets; leaflets broadly elliptic to sub-orbicular, 1-2.5 cm. long, doubly serrate with gland-tipped teeth, the lower surface with stalked glands and hairs.	Leaves alternate, deciduous, odd-pinnate with 5-7 leaflets; leaflets elliptic to obovate, pointed, 1.5-4. cm. long and 1-2.5 cm. wide, sharply serrate, usually glandless and glabrous on both sides.
Flowers	Flowers in small clusters or solitary, on short, stout, glandular-bristly pedicels; sepals 5,1-2 cm. long, with stalked glands and some slender lateral lobes, spreading, deciduous at maturity; petals 5, 1.5-2 cm. long, bright pink; stamens numerous; pistils many, the styles densely short-hairy.	Flowers solitary or few, terminal on the branches; sepals 5, 1-2 cm. long, reflexed and early-deciduous, often with long, slender lateral lobes; petals 2-2.5 cm. long, pink or white; stamens numerous, pistils many.
Fruits	Hips sub-globose or ovoid, 1-1.5 cm. long, glabrous, bright red.	Hips 1.5-2 cm. long, globose to ellipsoid or ovoid, bright red, glabrous.

	Rosa rubiginosa	Rosa canina
Flowering time	June-July	May-June
Habitat	Roadsides, thickets, shorelines, pastures, and other disturbed, open areas.	Roadsides, thickets, forest edge, and other distrubed areas..
Distribution	Occurring on both sides of the Cascades crest in Washington, though more common west of the crest; southern British Columbia to California, east to Idaho, Montana, Wyoming, and Colorado, further east from the Great Plains to the Atlantic Coast. [WildflowerSearch map] [BONAP county map]	Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Idaho, Utah, and Arizona; also from Great Plains east to the Atlantic Coast. [WildflowerSearch map] [BONAP county map]
Origin	Introduced Eurasia and northern Africa	Introduced
Conservation status	Not of concern	Not of concern
Sibling taxa	R. canina, R. gymnocarpa, R. multiflora, R. nutkana, R. pisocarpa, R. rugosa, R. woodsii	R. gymnocarpa, R. multiflora, R. nutkana, R. pisocarpa, R. rubiginosa, R. rugosa, R. woodsii
Web links	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Rosa canina

sweetbrier rose, small-flowered sweetbrier

dog rose

Habit

Coarse shrub 1-2 m. tall, with well-developed, flattened, unequal, strongly curved or hooked prickles, the foliage sweetly aromatic.

Coarse shrub 1-3 m. tall, with well-developed, flattened, curved or hooked prickles.

Leaves

Leaves alternate, deciduous, odd-pinnate with 5-7 firm leaflets;

leaflets broadly elliptic to sub-orbicular, 1-2.5 cm. long, doubly serrate with gland-tipped teeth, the lower surface with stalked glands and hairs.

Leaves alternate, deciduous, odd-pinnate with 5-7 leaflets;

leaflets elliptic to obovate, pointed, 1.5-4. cm. long and 1-2.5 cm. wide, sharply serrate, usually glandless and glabrous on both sides.

Flowers

Flowers in small clusters or solitary, on short, stout, glandular-bristly pedicels;

sepals 5,1-2 cm. long, with stalked glands and some slender lateral lobes, spreading, deciduous at maturity;

petals 5, 1.5-2 cm. long, bright pink;

stamens numerous;

pistils many, the styles densely short-hairy.

Flowers solitary or few, terminal on the branches;

sepals 5, 1-2 cm. long, reflexed and early-deciduous, often with long, slender lateral lobes;

petals 2-2.5 cm. long, pink or white;

stamens numerous, pistils many.

Fruits

Hips sub-globose or ovoid, 1-1.5 cm. long, glabrous, bright red.

Hips 1.5-2 cm. long, globose to ellipsoid or ovoid, bright red, glabrous.

Rosa canina

Flowering time

June-July

May-June

Habitat

Roadsides, thickets, shorelines, pastures, and other disturbed, open areas.

Roadsides, thickets, forest edge, and other distrubed areas..

Distribution

Occurring on both sides of the Cascades crest in Washington, though more common west of the crest; southern British Columbia to California, east to Idaho, Montana, Wyoming, and Colorado, further east from the Great Plains to the Atlantic Coast.

[WildflowerSearch map]

[BONAP county map]

Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Idaho, Utah, and Arizona; also from Great Plains east to the Atlantic Coast.

[WildflowerSearch map]

[BONAP county map]

Origin

Introduced Eurasia and northern Africa

Introduced

Conservation status

Not of concern

Sibling taxa