View source for Salix columbiana

{{Treatment/ID
|accepted_name=Salix columbiana
|accepted_authority=(Dorn) Argus
|publications={{Treatment/Publication
|title=Harvard Pap. Bot.
|place=12: 359. 2007
|year=2007
}}
|common_names=Columbia River willow
|basionyms={{Treatment/ID/Basionym
|name=Salix exigua var. columbiana
|authority=Dorn
|rank=variety
|publication_title=Brittonia
|publication_place=50: 204. 1998
}}
|synonyms=
|hierarchy=Salicaceae;Salix;Salix subg. Longifoliae;Salix columbiana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Salicaceae]]</div><div class="higher-taxon"><small>genus</small>[[Salix]]</div><div class="higher-taxon"><small>subgenus</small>[[Salix subg. Longifoliae]]</div><div class="higher-taxon"><small>species</small>[[Salix columbiana]]</div></div>
|volume=Volume 7
|mention_page=page 52, 53, 56, 58, 60
|treatment_page=page 59
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> 2–6.5 m. <b>Stems</b>: branches red-brown, glabrous or hairy at nodes; branchlets yellow-brown or red-brown, pubescent, puberulent, or glabrous, (hairs appressed, straight or wavy). <b>Leaves</b>: stipules usually absent or rudimentary, sometimes foliaceous on early ones (apex acute), rudimentary or foliaceous on late ones; petiole 2–5 mm, short-silky adaxially; largest medial blade (sometimes hypostomatous, glands marginal), linear or very narrowly elliptic, 58–115 × 5–17 mm, 5.7–12.8 times as long as wide, base acute or cuneate, margins flat to slightly revolute, remotely spinulose-serrulate or sinuate, apex acuminate, abaxial surface glaucous (sometimes obscured by hairs), sparsely to very densely short- or long-silky, hairs appressed to slightly spreading, straight, adaxial dull, pubescent or long-silky; proximal blade margins entire or remotely denticulate; juvenile blade color obscured by hairs, densely short-silky abaxially. <b>Catkins</b>: staminate 20–83 × 5–13 mm, flowering branchlet 6–125(–200) mm; pistillate densely to moderately densely flowered, slender or stout, 35–90 × 5–12 mm, flowering branchlet 11–160 mm; floral bract 1.4–4 mm, apex acute, rounded, retuse, or truncate, entire or toothed, abaxially hairy throughout or proximally, hairs straight or wavy. <b>Staminate</b> flowers: abaxial nectary 0.3–0.9 mm, adaxial nectary narrowly oblong, oblong, ovate, or flask-shaped, 0.5–1 mm, nectaries distinct or connate and shallowly cup-shaped; filaments hairy on proximal 1/2, throughout, or basally; anthers 0.8–1.3 mm. <b>Pistillate</b> flowers: (abaxial nectary 0.3–0.4 mm), adaxial nectary narrowly oblong, ovate, or flask-shaped, 0.4–1.3 mm, longer than stipe, nectaries distinct or connate and shallowly or partially cup-shaped; stipe 0.2–0.7 mm; ovary pyriform, long-silky, beak abruptly tapering to styles; ovules 18–30 per ovary; styles 0.1–0.2(–0.4) mm; stigmas flat, abaxially non-papillate with rounded tip, or broadly cylindrical, (0.3–)0.5–1.1 mm. <b>Capsules</b> 3.4–5.6 mm. <b>2n</b> = 38.</span><!--

-->{{Treatment/Body
|phenology=Flowering May-late Jul.
|habitat=Riparian, sandy-silty to sandy gravel floodplains, old beach dunes, rocky fill along streams
|elevation=5-40 m
|distribution=Oreg.;Wash.
|discussion=<p>Hybrids:</p><!--
--><p><i>Salix columbiana</i> forms natural hybrids with <i>S. exigua </i>var.<i> exigua</i> and <i>S. sessilifolia</i>. Both hybrids are reported from Oregon and Washington (R. D. Dorn 1998).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Salix columbiana
|authority=(Dorn) Argus
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=Salix exigua var. columbiana
|family=Salicaceae
|phenology=Flowering May-late Jul.
|habitat=Riparian, sandy-silty to sandy gravel floodplains, old beach dunes, rocky fill along streams
|elevation=5-40 m
|distribution=Oreg.;Wash.
|reference=None
|publication title=Harvard Pap. Bot.
|publication year=2007
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_52.xml
|genus=Salix
|subgenus=Salix subg. Longifoliae
|species=Salix columbiana
}}<!--

-->[[Category:Treatment]][[Category:Salix subg. Longifoliae]]