View source for Rubus leucodermis

{{Treatment/ID
|accepted_name=Rubus leucodermis
|accepted_authority=Douglas ex Torrey & A. Gray
|publications={{Treatment/Publication
|title=Fl. N. Amer.
|place=1: 454. 1840
|year=1840
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Rubus occidentalis subsp. leucodermis
|authority=(Douglas ex Torrey & A. Gray) Focke
|rank=subspecies
}}
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Rubeae;Rubus;Rubus leucodermis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Rosaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Rosaceae subfam. Rosoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Rosaceae tribe Rubeae]]</div><div class="higher-taxon"><small>genus</small>[[Rubus]]</div><div class="higher-taxon"><small>species</small>[[Rubus leucodermis]]</div></div>
|volume=Volume 9
|mention_page=page 31, 46
|treatment_page=page 44
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> 10–30 dm, armed. <b>Stems</b> 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. <b>Leaves</b> 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. <b>Inflorescences</b> axillary and terminal, (1–)3–10(–12)-flowered, flat-topped cymiform or umbelliform. <b>Pedicels</b>: prickles sparse to dense, hooked or erect, puberulent, eglandular or sparsely to densely sessile- or short-stipitate-glandular. <b>Flowers</b> bisexual; petals erect, then ascending, white, oblong to oblanceolate, 3–6(–8) mm; filaments laminar; ovaries pubescent, rarely glabrous. <b>Fruits</b> reddish purple to nearly black, depressed globose to conic, 1–2 cm; drupelets 20–60, coherent, separating from torus. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|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><!--
--><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=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves abaxially white-tomentose; drupelets (20–)30–60.
|[[Rubus leucodermis var. leucodermis|Rubus leucodermis var. leucodermis]]
|-id=key-0-1
|1
|Leaves abaxially glabrous, rarely sparsely hairy; drupelets 20–40.
|[[Rubus leucodermis var. nigerrimus|Rubus leucodermis var. nigerrimus]]
|}
</div></div><!--

-->{{#Taxon:
name=Rubus leucodermis
|authority=Douglas ex Torrey & A. Gray
|rank=species
|parent rank=genus
|synonyms=Rubus occidentalis subsp. leucodermis
|basionyms=
|family=Rosaceae
|distribution=B.C.;Alaska;Ariz.;Calif.;Idaho;Mont.;N.Mex.;Nev.;Oreg.;Utah;Wash.;n Mexico.
|reference=None
|publication title=Fl. N. Amer.
|publication year=1840
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V9/V9_57.xml
|subfamily=Rosaceae subfam. Rosoideae
|tribe=Rosaceae tribe Rubeae
|genus=Rubus
|species=Rubus leucodermis
}}<!--

-->[[Category:Treatment]][[Category:Rubus]]