View source for Salix pentandra

{{Treatment/ID
|accepted_name=Salix pentandra
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 1016. 1753
|year=1753
}}
|common_names=Bay-leaf or bay or laurel willow
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Salicaceae;Salix;Salix subg. Salix;Salix sect. Salicaster;Salix pentandra
|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. Salix]]</div><div class="higher-taxon"><small>section</small>[[Salix sect. Salicaster]]</div><div class="higher-taxon"><small>species</small>[[Salix pentandra]]</div></div>
|volume=Volume 7
|mention_page=page 23, 27, 39, 43, 46
|treatment_page=page 44
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, 5–15 m. <b>Stems</b>: branches flexible at base, brownish or yellow-green, highly glossy, glabrous; branchlets yellow-green, red-brown, or brownish, glossy, glabrous. <b>Leaves</b>: stipules absent or rudimentary on early ones, rudimentary or foliaceous on late ones, apex rounded; petiole deeply to shallowly grooved adaxially, 5–15 mm, with pairs or clusters of spherical glands distally or throughout, glabrous adaxially; largest medial blade hypostomatous, narrowly elliptic, elliptic, or lanceolate, 50–135 × 20–50 mm, 2–4 times as long as wide, base convex, margins slightly revolute or flat, serrulate, apex acuminate, abaxial surface pale not glaucous, glabrous, adaxial highly glossy, glabrous; proximal blade margins entire or serrulate; juvenile blade reddish, glabrous abaxially. <b>Catkins</b>: staminate 27–81 × 9–13 mm, flowering branchlet 9–21 mm; pistillate moderately to densely flowered, slender or stout, 29–68 × 7–15 mm, flowering branchlet 9–42 mm; floral bract 2–4 mm, apex acute or rounded to truncate, entire or toothed, abaxially sparsely hairy (mainly proximally), hairs wavy or straight. <b>Staminate</b> flowers: abaxial nectary 0.6–1.7 mm, adaxial nectary square, ovate, or oblong, 0.5–1.5 mm, nectaries distinct or ± connate and cup-shaped; stamens 4–10; filaments distinct, hairy on proximal 1/2; anthers ellipsoid or globose, 0.5–0.6 mm. <b>Pistillate</b> flowers: (abaxial nectary present or absent), adaxial nectary oblong, square, or ovate, 0.4–0.8 mm, (nectaries distinct or connate and shallowly cup-shaped), shorter than or equal to stipe; stipe 0.5–1.6 mm; ovary pyriform, beak bulged below or tapering to styles; ovules 18–22 per ovary; styles connate or distinct, 0.4–0.6 mm; stigmas flat, abaxially non-papillate with rounded tip, or slenderly cylindrical, 0.4–0.6 mm. <b>Capsules</b> 6–9 mm. <b>2n</b> = 76.</span><!--

-->{{Treatment/Body
|phenology=Flowering late May-mid Jun.
|habitat=Shores of streams and lakes, marshes, roadsides, waste places
|elevation=0-2300 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Sask.;Alaska;Colo.;Conn.;D.C.;Ill.;Iowa;Ky.;Maine;Md.;Mass.;Minn.;Mont.;Nebr.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.Dak.;Vt.;Va.;Wis.;Wyo.;Eurasia.
|introduced=true
|discussion=<p>The Ohio occurrence is based on information from T. Cooperrider (pers. comm.).</p><!--
--><p>Only pistillate plants of <i>Salix pentandra</i> are known to occur in the flora area.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Salix pentandra
|authority=Linnaeus
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Salicaceae
|phenology=Flowering late May-mid Jun.
|habitat=Shores of streams and lakes, marshes, roadsides, waste places
|elevation=0-2300 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Sask.;Alaska;Colo.;Conn.;D.C.;Ill.;Iowa;Ky.;Maine;Md.;Mass.;Minn.;Mont.;Nebr.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.Dak.;Vt.;Va.;Wis.;Wyo.;Eurasia.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy;Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_34.xml
|genus=Salix
|subgenus=Salix subg. Salix
|section=Salix sect. Salicaster
|species=Salix pentandra
}}<!--

-->[[Category:Treatment]][[Category:Salix sect. Salicaster]]