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Salix sphenophylla Skvort.
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Salix sphenophylla Skvort.
wedgeleaf willow

General Information
Symbol: SASP2
Group: Dicot
Family: Salicaceae
Duration: Perennial
Growth Habit : Shrub
Native Status : AK   N
Data Source and Documentation
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   




Symbol Scientific Name
SACU5 Salix cuneata Turcz. ex Ledeb., non Nutt.
SASPP Salix sphenophylla Skvort. ssp. pseudotorulosa


Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Dilleniidae
Order Salicales
Family Salicaceae – Willow family
Genus Salix L. – willow
Species Salix sphenophylla Skvort. – wedgeleaf willow

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Alaska FAC

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Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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Link to Flora of North America home
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FNA Vol. 7 Page 63, 82 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Salicaceae | Salix

42. Salix sphenophylla A. K. Skvortsov, Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesoyuzn. Akad. Nauk. 16: 62. 1966.

Wedge-leaf willow

Salix sphenophylla subsp. pseudotorulosa A. K. Skvortsov

Plants 0.03-0.12 m, not clonal or forming clones by layering. Stems trailing and rooting; branches yellow-brown or brownish, glabrous; branchlets yellow-brown, glabrous. Leaves: 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. Catkins: 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. Staminate flowers: abaxial nectary absent, adaxial nectary oblong, 0.6-1 mm; filaments distinct; anthers ellipsoid or shortly cylindrical, 0.4-0.6 mm. Pistillate 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. Capsules 4-12 mm. 2 n = 38, 57.

Flowering mid Jun-late Jul (early Aug). Stony or gravelly substrates on talus, rocky outcrops, dry, stony tundra, sandy and moss tundra; 10-900 m; N.W.T., Yukon; Alaska; e Asia (Chukotka, Russian Far East, e Siberia).

The patchy or streaky indumentum on the ovaries of some plants suggests that they may be hybrids.

Updated: 2019-10-19 06:46:45 gmt
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