Rosa spinosissima Linnaeus (Q4118)
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Rosa spinosissima is a taxon with the rank species within the section Rosa sect. Pimpinellifoliae
| Language | Label | Description | Also known as |
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| English |
Rosa spinosissima Linnaeus
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Rosa spinosissima is a taxon with the rank species within the section Rosa sect. Pimpinellifoliae
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Statements
taxon/id/Rosa spinosissima Linnaeus
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Rosa spinosissima Linnaeus
Rosa spinosissima
Linnaeus
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
1 reference
CA-ON
present
introduced
1 reference
Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-QC
present
introduced
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-NB
present
introduced
1 reference
Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
CA-PE
1 reference
Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.
CA-NS
1 reference
Munro, M. 2009. (pers. comm.)
CA-NB
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CA-ON
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CA-QC
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US-CT
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US-IL
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US-IN
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US-KS
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US-ME
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US-MA
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US-MO
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US-NH
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US-NJ
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US-NY
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US-OH
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US-TN
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US-VT
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US-VA
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US-WI
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Prickles internodal, dense on main-stems, sparser on some flowering branches, paired or single, erect or ± curved, terete, 5–6 × 1–3 mm, mixed with shorter prickles and usually aciculi.
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Leaves: stipules 9–14 × 2–4 mm, auricles 2.5–5 mm, margins entire or serrate-glandular, surfaces glabrous;
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petiole and rachis with pricklets, pubescent, glandular;
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leaflets: blade oblong-ovate or suborbiculate, (5–) 7–9 (–11) × 5–8 mm, or broadly elliptic, 5–22 × 5–12 mm, base obtuse or rounded to broadly cuneate, margins 1-serrate, sometimes multi-serrate, teeth 8–12 per side, gland-tipped, apex obtuse to acute.
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Pedicels: bracts absent.
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Flowers: hypanthium 3–5 × 3–4 mm;
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sepal tip 2–3 mm, apex acuminate or caudate-acuminate;
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petals white, 15–25 × 14–23 mm;
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styles exsert 2 mm beyond stylar orifice of hypanthial disc.
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Achenes 8–12, dark tan, 4 × 2.5 mm. 2n = 28.
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