Rubus caesius Linnaeus (Q4133)
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Rubus caesius is a taxon with the rank species within the genus Rubus
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Rubus caesius Linnaeus
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Rubus caesius is a taxon with the rank species within the genus Rubus
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Statements
taxon/id/Rubus caesius Linnaeus
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Rubus caesius Linnaeus
Rubus caesius
Linnaeus
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-ON
present
introduced
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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-ON
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US-IA
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US-KY
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US-MI
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US-NY
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US-OH
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US-PA
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Shrubs, to 3 [–10] dm, armed.
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Stems biennial, creeping or arching then creeping, glabrous or hairy, eglandular or sparsely sessile to short-stipitate-glandular, strongly pruinose;
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prickles sparse to dense, erect to retrorse, slender, 1–3 mm, narrow or broad-based.
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Leaves deciduous, ternate;
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stipules linear-lanceolate to ovate, 5–15 mm;
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terminal leaflets ovate, 4–14 × 3–10 cm, base rounded to shallowly cordate, unlobed or shallowly lobed, margins coarsely serrate to doubly serrate, apex acute to acuminate, abaxial surfaces with prickles on midveins or unarmed, sparsely to moderately hairy, eglandular or sparsely short-stipitate-glandular along larger veins.
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Inflorescences terminal on short-shoot, usually appearing axillary, 1–6-flowered, solitary flowers, cymiform, or racemiform.
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Pedicels unarmed or prickles sparse to dense, erect to retrorse, densely hairy, sparsely to densely sessile to short or long-stipitate-glandular.
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petals white, obovate to elliptic or suborbiculate, 7–13 mm;
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filaments filiform;
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ovaries glabrous.
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Fruits appearing bluish, black beneath bloom, pruinose, globose, 0.5–1.5 cm;
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drupelets 1–5 (–20), weakly coherent, separating with torus attached.
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short-stipitate-glandular
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rounded
shallowly cordate unlobed or shallowly lobed
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rounded
shallowly cordate unlobed or shallowly lobed
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obovate
elliptic or suborbiculate
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