Difference between revisions of "Rubus leucodermis"
Fl. N. Amer. 1: 454. 1840.
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|name=Rubus occidentalis subsp. leucodermis | |name=Rubus occidentalis subsp. leucodermis | ||
|authority=(Douglas ex Torrey & A. Gray) Focke | |authority=(Douglas ex Torrey & A. Gray) Focke | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Rubeae;Rubus;Rubus leucodermis | |hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Rubeae;Rubus;Rubus leucodermis | ||
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| − | |distribution= | + | |distribution=B.C.;Alaska;Ariz.;Calif.;Idaho;Mont.;N.Mex.;Nev.;Oreg.;Utah;Wash.;n Mexico. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
| − | --><p>Rubus leucodermis is similar to R. occidentalis, differing primarily by its leaflets having acuminate apices and lateral leaflets that are distinctly stalked. Prickles on the pedicels of R. occidentalis are erect; those of R. leucodermis tend to be hooked.</p> | + | --><p><i>Rubus leucodermis</i> is similar to <i>R. occidentalis</i>, differing primarily by its leaflets having acuminate apices and lateral leaflets that are distinctly stalked. Prickles on the pedicels of <i>R. occidentalis</i> are erect; those of <i>R. leucodermis</i> tend to be hooked.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Rubus leucodermis | name=Rubus leucodermis | ||
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|authority=Douglas ex Torrey & A. Gray | |authority=Douglas ex Torrey & A. Gray | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Rosaceae | |family=Rosaceae | ||
| − | |distribution= | + | |distribution=B.C.;Alaska;Ariz.;Calif.;Idaho;Mont.;N.Mex.;Nev.;Oreg.;Utah;Wash.;n Mexico. |
|reference=None | |reference=None | ||
|publication title=Fl. N. Amer. | |publication title=Fl. N. Amer. | ||
|publication year=1840 | |publication year=1840 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_57.xml |
|subfamily=Rosaceae subfam. Rosoideae | |subfamily=Rosaceae subfam. Rosoideae | ||
|tribe=Rosaceae tribe Rubeae | |tribe=Rosaceae tribe Rubeae | ||
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| − | -->[[Category:Treatment]][[Category:Rubus]] | + | --> |
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| + | [[Category:Rubus]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 17:19, 6 November 2020
Shrubs, 10–30 dm, armed. Stems biennial, ascending, often arching, glabrous or sparsely puberulent, eglandular or sparsely to densely short-stipitate-glandular, strongly pruinose; prickles moderate to dense, erect or curved, slender to stout, 4–8 mm, usually broad-based, sometimes narrow-based. Leaves deciduous, palmately compound or ternate; stipules filiform, 5–10 mm; petiole with hooked or erect prickles, glabrous, eglandular or sparsely to densely sessile- to short-stipitate-glandular; lateral leaflets stalked, at least 2 larger ones, often with prickles, glabrous, eglandular or stipitate-glandular; 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. Inflorescences axillary and terminal, (1–)3–10(–12)-flowered, flat-topped cymiform or umbelliform. Pedicels: prickles sparse to dense, hooked or erect, puberulent, eglandular or sparsely to densely sessile- or short-stipitate-glandular. Flowers bisexual; petals erect, then ascending, white, oblong to oblanceolate, 3–6(–8) mm; filaments laminar; ovaries pubescent, rarely glabrous. Fruits reddish purple to nearly black, depressed globose to conic, 1–2 cm; drupelets 20–60, coherent, separating from torus. 2n = 14.
Distribution
B.C., Alaska, Ariz., Calif., Idaho, Mont., N.Mex., Nev., Oreg., Utah, Wash., n Mexico.
Discussion
Varieties 2 (2 in the flora).
Rubus leucodermis is similar to R. occidentalis, differing primarily by its leaflets having acuminate apices and lateral leaflets that are distinctly stalked. Prickles on the pedicels of R. occidentalis are erect; those of R. leucodermis tend to be hooked.
Selected References
None.
Key
| 1 | Leaves abaxially white-tomentose; drupelets (20–)30–60. | Rubus leucodermis var. leucodermis |
| 1 | Leaves abaxially glabrous, rarely sparsely hairy; drupelets 20–40. | Rubus leucodermis var. nigerrimus |