Rosa tomentosa Smith (Q4110)
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Rosa tomentosa is a taxon with the rank species within the section Rosa sect. Caninae
| Language | Label | Description | Also known as |
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| English |
Rosa tomentosa Smith
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Rosa tomentosa is a taxon with the rank species within the section Rosa sect. Caninae
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Statements
taxon/id/Rosa tomentosa Smith
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Rosa tomentosa Smith
Rosa tomentosa
Smith
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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CA-PE
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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-PE
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US-NY
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US-NC
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US-TN
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US-TX
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US-VT
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rhizomatous or not.
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Stems arching, 7–20 (–30) dm, internodes long;
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distal branches spreading, bark pale green;
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infrastipular prickles single or paired, curved or ± erect, 3–6 × 2.5–3.5 mm, lengths ± uniform, internodal prickles sometimes mostly smaller, with aciculi, rarely absent.
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Leaves deciduous, 5–7.5 (–11) cm;
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stipules 10–16 (–20) × 3–4 mm, auricles 2–5 mm, margins densely glandular-ciliate, surfaces tomentose, often glandular abaxially;
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petiole and rachis with sparse pricklets, tomentulose, glandular;
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leaflets 5–7, terminal: petiolule 6–8 mm, blade orbiculate to ovatelanceolate or elliptic, 15–30 (–60) × 8–22 (–50) mm, base obtuse, margins 1-serrate or multi-serrate, teeth 13–20 per side, apex acute, abaxial surfaces tomentose, usually resinous-glandular, glands resin-scented, adaxial pale or grayish green, dull, glabrous or pubescent.
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Inflorescences panicles, 1–6-flowered.
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Pedicels erect, (11–) 20–35 mm, densely stipitate-glandular;
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bracts 2, ovatelanceolate, 13–14 × 5–7 mm, margins ciliate-glandular, surfaces tomentose, glandular or eglandular.
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Flowers 3.5–5 cm diam.;
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hypanthium ovoid, 6–7 × 4 mm, stipitate-glandular, setose, rarely eglandular, neck 1.5 × 2 mm;
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sepals spreading or erect, ovatelanceolate, 15–25 × 2–3 mm, margins pinnatifid, tip 4–5 × 1–1.5 mm, abaxially densely stipitate-glandular;
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petals pink, rarely white, 8–15 × 10–15 mm;
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carpels 26–34, styles glabrous or villous, exsert 2–2.5 mm beyond stylar orifice (1 mm diam.) of hypanthial disc (2–4 mm diam.).
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Hips dark red, oblong, ovoid, or globose, 10–15 × 10–12 mm, glabrous, stipitate-glandular at least proximally, neck 1 × 5–6 mm;
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sepals deciduous after anthesis, spreading or reflexed.
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Achenes ca. 23, tan, 4–4.5 × 2 mm. 2n = 35.
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orbiculate
ovatelanceolate or elliptic
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stipitate-glandular
abaxially densely
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stipitate-glandular
at-least proximally; proximally
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