View source for Salix sessilifolia

{{Treatment/ID
|accepted_name=Salix sessilifolia
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=N. Amer. Sylv.
|place=1: 68. 1842
|year=1842
}}
|common_names=Northwest sandbar willow
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Salix exigua var. sessilifolia
|authority=(Nuttall) Dorn
}} {{Treatment/ID/Synonym
|name=Salix fluviatilis var. sessilifolia
|authority=(Nuttall) Scoggan
}} {{Treatment/ID/Synonym
|name=Salix longifolia var. sessilifolia
|authority=(Nuttall) M. E. Jones
}} {{Treatment/ID/Synonym
|name=Salix macrostachya
|authority=Nuttall
}} {{Treatment/ID/Synonym
|name=Salix macrostachya var. cusickii
|authority=Rowlee
}} {{Treatment/ID/Synonym
|name=Salix sessilifolia var. villosa
|authority=Andersson
}}
|hierarchy=Salicaceae;Salix;Salix subg. Longifoliae;Salix sessilifolia
|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 sessilifolia]]</div></div>
|volume=Volume 7
|mention_page=page 52, 53, 60
|treatment_page=page 59
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> 3–5 m. <b>Stems</b>: branches gray-brown or red-brown, hairy or glabrous; branchlets red-brown, densely villous. <b>Leaves</b>: stipules absent or rudimentary on early ones, rudimentary or foliaceous on late ones (apex acute); petiole 1–6 mm, long-silky adaxially; largest medial blade (sometimes hypostomatous, glands submarginal), linear, lorate, narrowly elliptic, or narrowly oblanceolate, 40–120 × 7.5–16 mm, 3–8.5 times as long as wide, base cuneate or convex, margins flat, remotely spinulose-serrulate, apex acuminate, acute, or caudate, abaxial surface not glaucous, densely to sparsely long- or short-silky or villous, hairs appressed or spreading, straight or wavy, adaxial dull, sparsely long-silky or villous; proximal blade margins entire; juvenile blade yellowish green, very densely long-silky or villous abaxially. <b>Catkins</b>: staminate 38–45 × 6–7 mm, flowering branchlet 25–45 mm; pistillate densely flowered, slender, 40–73 × 6–7 mm, flowering branchlet 20–32 mm; floral bract (sometimes brown), 2.4–3.2 mm, apex acute or rounded, entire or irregularly toothed, abaxially hairy, hairs wavy. <b>Staminate</b> flowers: abaxial nectary 0.4–1 mm, adaxial nectary narrowly oblong, oblong, or flask-shaped, 0.5–1.1 mm, nectaries distinct; filaments hairy on proximal 1/2; anthers 0.8–1.2 mm. <b>Pistillate</b> flowers: adaxial nectary oblong, square, ovate, or flask-shaped, 0.6–1 mm, longer than stipe; stipe 0.2–0.7 mm; ovary pyriform, villous or long-silky, beak abruptly tapering to styles; ovules 24–36 per ovary; styles 0.1–0.7 mm; stigmas flat, abaxially non-papillate with pointed tip, or slenderly cylindrical, 0.4–1 mm. <b>Capsules</b> 4–5.5 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering late Apr-late May.
|habitat=Riparian, streamshores, floodplains, sandy or gravelly substrates
|elevation=0-200 m
|distribution=B.C.;Oreg.;Wash.
|discussion=<p>Hybrids:</p><!--
--><p><i>Salix sessilifolia</i> forms natural hybrids with <i>S. columbiana</i> and <i>S. melanopsis</i>.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Salix sessilifolia
|author=
|authority=Nuttall
|rank=species
|parent rank=subgenus
|synonyms=Salix exigua var. sessilifolia;Salix fluviatilis var. sessilifolia;Salix longifolia var. sessilifolia;Salix macrostachya;Salix macrostachya var. cusickii;Salix sessilifolia var. villosa
|basionyms=
|family=Salicaceae
|phenology=Flowering late Apr-late May.
|habitat=Riparian, streamshores, floodplains, sandy or gravelly substrates
|elevation=0-200 m
|distribution=B.C.;Oreg.;Wash.
|reference=None
|publication title=N. Amer. Sylv.
|publication year=1842
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_53.xml
|genus=Salix
|subgenus=Salix subg. Longifoliae
|species=Salix sessilifolia
}}<!--

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