View source for Salix sphenophylla

{{Treatment/ID
|accepted_name=Salix sphenophylla
|accepted_authority=A. K. Skvortsov
|publications={{Treatment/Publication
|title=Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesoyuzn. Akad. Nauk
|place=16: 62. 1966
|year=1966
}}
|common_names=Wedge-leaf willow
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Salix sphenophylla subsp. pseudotorulosa
|authority=A. K. Skvortsov
|rank=subspecies
}}
|hierarchy=Salicaceae;Salix;Salix subg. Chamaetia;Salix sect. Diplodictyae;Salix sphenophylla
|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. Chamaetia]]</div><div class="higher-taxon"><small>section</small>[[Salix sect. Diplodictyae]]</div><div class="higher-taxon"><small>species</small>[[Salix sphenophylla]]</div></div>
|volume=Volume 7
|mention_page=page 63
|treatment_page=page 82
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>0.03–0.12 m, not clonal or forming clones by layering. <b>Stems</b> trailing and rooting; branches yellow-brown or brownish, glabrous; branchlets yellow-brown, glabrous. <b>Leaves</b>: stipules absent or rudimentary; petiole 4–25 mm, (glabrous or pilose adaxially); largest medial blade hypostomatous, narrowly elliptic, broadly elliptic, obovate, or very broadly obovate, 19–52 × 10–28 mm, 1–3 times as long as wide, base cuneate or convex, margins flat or slightly revolute, entire, apex convex, retuse, or rounded, abaxial surface glabrous, pilose or sparsely long-silky to glabrescent, hairs straight or wavy, adaxial slightly glossy, glabrous or pilose; proximal blade margins entire; juvenile blade (reddish), very sparsely long-silky abaxially. <b>Catkins</b>: staminate 21–53 × 7–13 mm, flowering branchlet 8–20 mm; pistillate loosely to densely flowered, slender or stout, 32–79 × 7–18 mm, flowering branchlet 4–27 mm; floral bract brown or black, 1.1–2 mm, apex rounded, entire, abaxially hairy or ciliate, hairs straight. <b>Staminate</b> flowers: abaxial nectary absent, adaxial nectary oblong, 0.6–1 mm; filaments distinct; anthers ellipsoid or shortly cylindrical, 0.4–0.6 mm. <b>Pistillate</b> flowers: adaxial nectary oblong or ovate, 0.7–1.6 mm, equal to or longer than stipe; stipe 0.5–1.4 mm; ovary obclavate or pyriform, glabrous, or patchy or streaky pilose or villous, especially on beak, beak gradually tapering to or slightly bulged below styles; ovules 10–18 per ovary; styles 0.6–1.8 mm; stigmas flat, abaxially non-papillate with pointed tip, or slenderly cylindrical, 0.32–0.5–0.68 mm. <b>Capsules</b> 4–12 mm. <b>2n</b> = 38, 57.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid Jun-late Jul (early Aug).
|habitat=Stony or gravelly substrates on talus, rocky outcrops, dry, stony tundra, sandy and moss tundra
|elevation=10-900 m
|distribution=N.W.T.;Yukon;Alaska;e Asia (Chukotka;Russian Far East;e Siberia).
|discussion=<p>The patchy or streaky indumentum on the ovaries of some plants suggests that they may be hybrids.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Salix sphenophylla
|authority=A. K. Skvortsov
|rank=species
|parent rank=section
|synonyms=Salix sphenophylla subsp. pseudotorulosa
|basionyms=
|family=Salicaceae
|phenology=Flowering mid Jun-late Jul (early Aug).
|habitat=Stony or gravelly substrates on talus, rocky outcrops, dry, stony tundra, sandy and moss tundra
|elevation=10-900 m
|distribution=N.W.T.;Yukon;Alaska;e Asia (Chukotka;Russian Far East;e Siberia).
|reference=None
|publication title=Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesoyuzn. Akad. Nauk
|publication year=1966
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V7/V7_85.xml
|genus=Salix
|subgenus=Salix subg. Chamaetia
|section=Salix sect. Diplodictyae
|species=Salix sphenophylla
}}<!--

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