View source for Salix tweedyi

{{Treatment/ID
|accepted_name=Salix tweedyi
|accepted_authority=(Bebb ex Rose) C. R. Ball
|publications={{Treatment/Publication
|title=Bot. Gaz.
|place=40: 377. 1905
|year=1905
}}
|common_names=Tweedy’s willow
|basionyms={{Treatment/ID/Basionym
|name=Salix barrattiana var. tweedyi
|authority=Bebb ex Rose
|publication_title=Contr. U.S. Natl. Herb.
|publication_place=3: 572. 1896
}}
|synonyms=
|hierarchy=Salicaceae;Salix;Salix subg. Vetrix;Salix sect. Lanatae;Salix tweedyi
|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. Vetrix]]</div><div class="higher-taxon"><small>section</small>[[Salix sect. Lanatae]]</div><div class="higher-taxon"><small>species</small>[[Salix tweedyi]]</div></div>
|volume=Volume 7
|mention_page=page 95
|treatment_page=page 145
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>1–3 m. <b>Stems</b>: branches red-brown, not glaucous, villous to glabrescent; branchlets yellow-brown, (sometimes strongly glaucous), pilose or moderately densely villous, (buds caprea- or arctica-type, scale inner membranaceous layer free, separating from outer layer). <b>Leaves</b>: stipules (sometimes marcescent), foliaceous, 3.5–10–23 mm, 1–1.4–2.8 times as long as wide, usually lanceolate, ovate, or suborbiculate, (pleated when pressed), apex rounded, convex, or acute; petiole shallowly grooved adaxially, 3–11.3–26 mm, villous adaxially; largest medial blade elliptic to broadly elliptic, 36–65–100 × 17–35.5–85 mm, 1.1–1.9–2.9 times as long as wide, base convex, rounded, subcordate, or cordate, margins thickened, serrulate or spinulose-serrulate (sometimes teeth absent, margins with spherical glands), apex acuminate, acute, or convex, abaxial surface glaucous or not, pilose or villous, hairs curved, adaxial dull, pilose or villous to glabrescent; proximal blade margins entire (glands only) or serrulate; juvenile blade green, glabrous, pilose, or moderately densely villous abaxially, hairs white. <b>Catkins</b> flowering before leaves emerge; staminate stout, 39–56 × 14–22 mm, flowering branchlet 0–2 mm; pistillate densely flowered, stout, 39–70(–110 in fruit) × 13–22 mm, flowering branchlet 0–2 mm; floral bract dark brown, 1.8–4 mm, apex acute or rounded, abaxially sparsely hairy, hairs straight or wavy. <b>Staminate</b> flowers: adaxial nectary oblong, 0.6–1.2 mm; filaments distinct, glabrous or hairy basally; anthers yellow or purple turning yellow, 0.6–1 mm. <b>Pistillate</b> flowers: adaxial nectary oblong, narrowly oblong, or square, 0.5–1 mm, (unlobed), shorter to longer than stipe; stipe 0.4–1.5 mm; ovary pyriform, beak gradually tapering to styles; ovules 18–30 per ovary; styles 1.1–2.8 mm; stigmas slenderly cylindrical, 0.32–0.53–1 mm. <b>Capsules</b> 4–7 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul.
|habitat=Subalpine and alpine, streamsides and bottoms, lakeshores, marshes, spruce bogs, talus slopes, tundra, quartzite, granite, or, sometimes, limestone substrates
|elevation=1400-4000 m
|distribution=B.C.;Idaho;Mont.;Wash.;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Salix tweedyi
|author=
|authority=(Bebb ex Rose) C. R. Ball
|rank=species
|parent rank=section
|synonyms=
|basionyms=Salix barrattiana var. tweedyi
|family=Salicaceae
|phenology=Flowering Jul.
|habitat=Subalpine and alpine, streamsides and bottoms, lakeshores, marshes, spruce bogs, talus slopes, tundra, quartzite, granite, or, sometimes, limestone substrates
|elevation=1400-4000 m
|distribution=B.C.;Idaho;Mont.;Wash.;Wyo.
|reference=None
|publication title=Bot. Gaz.
|publication year=1905
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_161.xml
|genus=Salix
|subgenus=Salix subg. Vetrix
|section=Salix sect. Lanatae
|species=Salix tweedyi
}}<!--

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