Rosa acicularis Lindley (Q4079)
Rosa acicularis is a taxon with the rank species within the section Rosa sect. Rosa
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Rosa acicularis Lindley
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Rosa acicularis is a taxon with the rank species within the section Rosa sect. Rosa
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Statements
taxon/id/Rosa acicularis Lindley
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Rosa acicularis Lindley
Rosa acicularis
Lindley
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-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NS
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CA-NT
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CA-NU
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CA-ON
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CA-QC
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CA-SK
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CA-YT
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US-AK
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US-CO
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US-IA
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US-ME
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US-MA
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US-MI
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US-MN
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US-MT
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US-ND
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US-NH
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US-NY
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US-SD
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US-VT
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US-WV
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US-WI
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US-WY
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Shrubs, forming dense thickets.
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Stems erect, stout, (3–) 10–20 (–25) dm, sparsely or densely branched distally;
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bark pale-brown with tips dull red, glabrous;
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infrastipular prickles absent, internodal prickles dense, erect, subulate, terete, ± flattened, 9 × 4 mm, sparsely stipitate-glandular, mixed with dense aciculi.
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stipules 20–25 × 3–8 mm, auricles flared or erect, 5–7 mm, margins usually entire, stipitate-glandular, surfaces glabrous, sometimes puberulent, sparsely sessile-glandular or eglandular;
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petiole and rachis usually (rarely) with pricklets, glabrous or puberulent to pubescent, sessile-glandular;
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leaflets 5–7 (on annual shoots), terminal: petiolule 6–20 mm, blade elliptic, ovoid, or ovatelanceolate, 20–60 × 13–32 mm, firm, margins 1 (–2+) -dentate-serrate, teeth 11–25 per side acute or obtuse, gland-tipped or eglandular, apex acute or obtuse, abaxial surfaces light green, glabrous or puberulent (on main veins), eglandular or sparsely to densely sessile-glandular, adaxial green, dull, glabrous or sparsely hairy.
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Inflorescences corymbs, 1 or 2 (or 3) -flowered.
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Pedicels reflexed as hips mature, slender, (13–) 20–28 (–35) mm, glabrous, stipitate-glandular or eglandular;
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bracts 1–3, ovoid, 18–22 × 4–14 mm, margins entire, sessile or short-stipitate-glandular, surfaces glabrous, sometimes hairy, eglandular.
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Flowers 3–6 cm diam.;
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hypanthium ovoid to oblong, 5–8 × 4–6 mm, glabrous, eglandular, neck 1 × 2.5–3 mm;
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sepals spreading, often beak-capped, lanceolate, 20–33 × (2.5–) 3–3.5 mm, tip 7–12 × 0.5–0.8 mm, margins entire, sometimes pinnatifid, abaxial surfaces glabrous, sometimes pubescent, eglandular or stipitate-glandular (north);
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petals single, rose-pink to pale-pink, (13–) 22–25 × (11–) 20–25 mm;
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carpels 18–33, styles exsert 1 mm beyond stylar orifice (2 mm diam.) of ± flat hypanthial disc (3.5–4.5 mm diam.).
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Hips orange-red to bright red or blue-purple, globose to ellipsoid or urceolate, 10–23 × 9–11 mm, fleshy, glabrous, eglandular, neck 1–2 × 2–2.5 mm;
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sepals persistent, erect, often beak-capped.
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Achenes basiparietal, 14–25, tan, 4 × 2–2.5 mm.
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branched
sparsely; densely; distally
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orange-red
bright red or blue-purple
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