|Scientific Name||Salix glauca||USDA Plants Symbol||SAGL|
|Common Name||Grayleaf Willow||ITIS Taxonomic Serial No.||22482|
Life zones and habitat: Montane and alpine (7500 to 13500 ft.); well-drained soils in open areas.
Plant: Erect shrub generally 3 to 4 feet tall; taller in favorable sites, but much shorter on exposed tundra sites; overall grayish-green appearance; branches brownish to red-brown; new twigs red- to yellow-brown and sparsely to densely hairy.
Leaves: Elliptic, oblanceolate or obovate-shaped, 1 to 3.4 inches long and 0.4 to 1.5 inches wide; upper surface shiny, long soft-hairy to nearly smooth, lower surface with a bluish-white, waxy coating and woolly or silky hairs often becoming nearly smooth; entire edges; yellowish petioles 0.4 inch long or less.
Inflorescence: Female (pistillate) catkins 0.8 to 2 inches long; male (staminate) catkins 0.5 to 1.3 inches long; bracts below are brownish to green.
Bloom Period: May to July.
References: "Flora of Colorado" by Jennifer Ackerfield, US Forest Service, E-Flora BC and SEINet.
Note: Willow species are difficult to differentiate and there may be errors in the IDs on these images. If you see an error, please let me know.
|BONAP Distribution Map |
Map Color Key
© Tom Lebsack 2023
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County