Difference between revisions of "Rosa canina"

Linnaeus

Sp. Pl. 1: 491. 1753.

Common names: Dog rose rosier des chiens
IllustratedIntroducedWeedy
Synonyms: Rosa corymbifera Borkhausen R. dumetorum Thuillier R. montezumae Humboldt & Bonpland ex Thory
Treatment appears in FNA Volume 9. Treatment on page 90. Mentioned on page 89.
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|name=Rosa corymbifera
 
|name=Rosa corymbifera
 
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|rank=species
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=R. dumetorum
 
|name=R. dumetorum
 
|authority=Thuillier
 
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|rank=species
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=R. montezumae
 
|name=R. montezumae
 
|authority=Humboldt & Bonpland ex Thory
 
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|rank=species
 
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|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Roseae;Rosa;Rosa subg. Rosa;Rosa sect. Caninae;Rosa canina
 
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Roseae;Rosa;Rosa subg. Rosa;Rosa sect. Caninae;Rosa canina
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|publication year=1753
 
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|special status=Selected by author to be illustrated;Introduced;Weedy
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|special status=Illustrated;Introduced;Weedy
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|subfamily=Rosaceae subfam. Rosoideae
 
|subfamily=Rosaceae subfam. Rosoideae
 
|tribe=Rosaceae tribe Roseae
 
|tribe=Rosaceae tribe Roseae

Revision as of 23:38, 16 December 2019

Shrubs, arching, not rhizomatous. Stems usually erect to sprawling, 10–25(–50) dm; distal branches arching, bark green; infrastipular prickles paired, curved or appressed, 6–7 × 4–9 mm, lengths ± uniform, internodal prickles rare, single, rarely absent. Leaves deciduous, 6–11 cm; stipules 10–22 × 3–5 mm, auricles 3–5 mm, margins stipitate-glandular or eglandular, surfaces glabrous, eglandular or sparsely stipitate-glandular; petiole and rachis sometimes with pricklets, glabrous, eglandular; leaflets 5–7, terminal: petiolule 5–11 mm, blade ovate, obovate, or elliptic, 15–40 × 12–20 mm, base obtuse to slightly cuneate, margins 1- or multi-serrate, teeth 20–30 per side, apex acute, sometimes acuminate, abaxial surfaces glabrous, rarely pubescent or tomentose on midveins, eglandular, adaxial dark green to green, lustrous to dull, glabrous, rarely tomentose. Inflorescences panicles, sometimes corymbs, solitary, sometimes 2 or 3(–7)-flowered. Pedicels erect to reflexed as hips mature, 8–20 mm, eglandular or stipitate-glandular; bracts 2, ovate-lanceolate, 6–18 × 4–5 mm, margins glandular-serrate, abaxial surfaces puberulent, adaxial surfaces glabrous, eglandular. Flowers 3.5–5 cm diam.; hypanthium narrowly urceolate, 7–9 × 3–6 mm, eglandular, neck 2–3 × 1–2 mm; sepals appressed-reflexed, spreading, or erect, ovate-lanceolate, 10–17 × 3–5 mm, margins deeply pinnatifid, tip 4–6 × 0.5 mm, abaxially eglandular; petals rose, pink, or white, sweet-scented, 18–25 × 15–18 mm; carpels 26–36, styles villous, exsert 1–2 mm beyond stylar orifice (0.7–1.5 mm diam.) of hypanthial disc (4–5 mm diam.). Hips red, globose, ovoid, urceolate, or ellipsoid, 10–16(–24) × 6–16 mm, glabrous, eglandular; sepals deciduous as hips mature, reflexed. Achenes 14–23, tan, 5–6 × 3–3.5 mm. 2n = 35.


Phenology: Flowering May–Jul.
Habitat: Foothills, woodlands, along roads and railways, abandoned homesteads, riparian habitats
Elevation: 0–700 m

Distribution

V9 132-distribution-map.jpg

B.C., N.B., N.S., Ont., Que., Ala., Ariz., Ark., Calif., Conn., Idaho, Ind., Kans., Ky., Maine, Md., Mass., Mich., Mo., Nebr., N.Y., N.C., Ohio, Oreg., Pa., R.I., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Europe, wc Asia (Turkmenistan), n Africa, introduced also in Mexico, Central America, South America, Pacific Islands (New Zealand), Australia.

Discussion

Rosa canina occurs sporadically throughout Canada and the United States in disturbed areas. Shrubs lack rhizomes and have arching stems with paired or single curved infrastipular prickles all more or less uniform in length. Sepals (abaxially), stipules, petioles, rachises, pedicels, blades (abaxially, except some veins), hypanthia, and hips are all glabrous and most are also eglandular.

W. J. Bean (1970–1988) cited Rosa canina var. corymbifera (Borkhousen) Rouy, R. canina var. dumetorum (Thuillier) Baker, and R. dumetorum as synonyms of R. corymbifera, and that treatment is followed here.

Moderate evidence exists for the efficacy of powdered achenes and hip receptacles of Rosa canina to treat patients suffering from osteoarthritis, specifically of the knee and hip (K. Winther et al. 2005; C. Chrubasik et al. 2006).

Selected References

None.

Lower Taxa

None.
... more about "Rosa canina"
Walter H. Lewis +, Barbara Ertter +  and Anne Bruneau +
Linnaeus +
Dog rose +  and rosier des chiens +
B.C. +, N.B. +, N.S. +, Ont. +, Que. +, Ala. +, Ariz. +, Ark. +, Calif. +, Conn. +, Idaho +, Ind. +, Kans. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Mo. +, Nebr. +, N.Y. +, N.C. +, Ohio +, Oreg. +, Pa. +, R.I. +, Tenn. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Europe +, wc Asia (Turkmenistan) +, n Africa +, introduced also in Mexico +, Central America +, South America +, Pacific Islands (New Zealand) +  and Australia. +
0–700 m +
Foothills, woodlands, along roads and railways, abandoned homesteads, riparian habitats +
Flowering May–Jul. +
Illustrated +, Introduced +  and Weedy +
Rosa corymbifera +, R. dumetorum +  and R. montezumae +
Rosa canina +
Rosa sect. Caninae +
species +