Rubus bifrons Vest (Q4132)
Rubus bifrons is a taxon with the rank species within the genus Rubus
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| English |
Rubus bifrons Vest
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Rubus bifrons is a taxon with the rank species within the genus Rubus
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Statements
taxon/id/Rubus bifrons Vest
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Rubus bifrons Vest
Rubus bifrons
Vest
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-BC
present
introduced
1 reference
Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
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
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CA-NS
present
introduced
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CA-BC
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CA-ON
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US-AL
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US-AK
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US-AZ
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US-AR
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US-CA
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US-CO
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US-CT
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US-DC
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US-GA
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US-ID
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US-IL
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US-KS
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US-KY
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US-LA
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US-MD
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US-MA
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US-MS
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US-MO
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US-MT
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US-NV
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US-NJ
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US-NM
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US-NY
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US-NC
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US-OH
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US-OK
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US-OR
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US-PA
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US-RI
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US-SC
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US-TN
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US-TX
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US-UT
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US-VA
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US-WA
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Shrubs, (3–) 10–50 dm, armed.
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Stems biennial, arching, sometimes creeping early or with age, sparsely to densely hairy, eglandular or sparsely sessile-glandular, not or weakly pruinose;
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prickles moderately dense, hooked, retrorse, or erect, stout, 4–10 mm, broad or narrow-based.
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Leaves deciduous to semievergreen, palmately compound;
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stipules filiform to linear, 7–15 mm;
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leaflets 3–5, terminal elliptic or ovate to suborbiculate, 6–15 × 4–9 cm, base rounded to shallowly cordate, unlobed, margins moderately to coarsely serrate, apex acute or acuminate to short-attenuate, abaxial surfaces white (gray-green in shade), with hooked prickles on largest veins, short-velutinous to tomentose, eglandular, rarely sparsely sessile-glandular along midveins.
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Inflorescences terminal, sometimes also axillary, 10–60 (–100) -flowered, thyrsiform, projected well beyond subtending leaves.
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Pedicels: prickles moderate to dense, hooked to retrorse or erect, densely hairy, eglandular or sparsely to moderately sessile-glandular.
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petals white to pink, obovate or elliptic to orbiculate, 10–15 mm;
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filaments filiform;
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ovaries apically hairy.
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Fruits black, globose to subcylindric, 1–2 cm;
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drupelets 15–40 (–50), strongly coherent, separating with torus attached.
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eglandular or
sparsely moderately sessile-glandular
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