Rubus leucodermis Douglas ex Torrey & A. Gray (Q4145)
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Rubus leucodermis is a taxon with the rank species within the genus Rubus
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| English |
Rubus leucodermis Douglas ex Torrey & A. Gray
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Rubus leucodermis is a taxon with the rank species within the genus Rubus
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Statements
taxon/id/Rubus leucodermis Douglas ex Torrey & A. Gray
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Rubus leucodermis Douglas ex Torrey & A. Gray
Rubus leucodermis
Douglas ex Torrey & A. Gray
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-BC
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US-AK
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US-AZ
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US-CA
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US-ID
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US-MT
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US-NM
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US-NV
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US-OR
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US-UT
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US-WA
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Shrubs, 10–30 dm, armed.
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Stems biennial, ascending, often arching, glabrous or sparsely puberulent, eglandular or sparsely to densely short-stipitate-glandular, strongly pruinose;
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prickles moderate to dense, erect or curved, slender to stout, 4–8 mm, usually broad-based, sometimes narrow-based.
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Leaves deciduous, palmately compound or ternate;
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stipules filiform, 5–10 mm;
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petiole with hooked or erect prickles, glabrous, eglandular or sparsely to densely sessile to short-stipitate-glandular;
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lateral leaflets stalked, at least 2 larger ones, often with prickles, glabrous, eglandular or stipitate-glandular;
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leaflets 3–5 (–7), terminal ovate to lanceolate, 6–10 × 3–6 cm, base cordate to truncate, unlobed or shallowly 3-lobed, margins serrate to doubly serrate, apex acuminate, abaxial surface sometimes with prickles on midrib and some lateral-veins, glabrous to strongly white-tomentose, usually eglandular.
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Inflorescences axillary and terminal, (1–) 3–10 (–12) -flowered, flat-topped cymiform or umbelliform.
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Pedicels: prickles sparse to dense, hooked or erect, puberulent, eglandular or sparsely to densely sessile or short-stipitate-glandular.
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Flowers bisexual;
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petals erect, then ascending, white, oblong to oblanceolate, 3–6 (–8) mm;
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filaments laminar;
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ovaries pubescent, rarely glabrous.
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Fruits reddish purple to nearly black, depressed-globose to conic, 1–2 cm;
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short-stipitate-glandular
sparsely to densely
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eglandular or
sparsely densely sessile
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short-stipitate-glandular
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cordate
truncate unlobed or shallowly 3-lobed
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cordate
truncate unlobed or shallowly 3-lobed
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eglandular or
sparsely densely sessile
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