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Western Wetland Flora

Field Office Guide to Plant Species

Arroyo Willow
Salix lasiolepis Benth.

JPG -- Species Photo JPG -- Distribution Map

Flowering: February-April
Field Marks: This shrub or small tree usually has leaves that are without teeth and are seldom more than 3 times longer than wide.
Habitat: Along rocky streams and in arroyos.
Habit: Shrub or small tree up to 35 feet tall.
Stems: Twigs yellow to dark brown, hairy.
Leaves: Alternate, simple, oblanceolate, up to 4 inches long, up to 2 inches wide, rounded or pointed at the tip, tapering to the base, smooth or slightly hairy, usually glaucous on the lower surface, usually without teeth, the edges sometimes r
Flowers: Male and female flowers borne separately in separate spikes, up to 3 inches long, appearing before the leaves begin to unfold.
Sepals: 0.
Petals: 0.
Stamens: 2, with smooth filaments.
Pistils: Ovary superior, smooth.
Fruits: Capsules oblanceoloid, up to 1/4 inch long, smooth, on stalks about 1/20 inch long.
Notes: Deer and elk may browse the young shoots of this plant.

Previous Species -- Pacific Willow (Salix lasiandra )
Return to Species List -- Group 5
Next Species -- Lemon's Willow (Salix lemmonii)

U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/florawe/species/5/sallasio.htm
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Page Last Modified: Saturday, 02-Feb-2013 06:26:02 EST
Reston, VA [vaww55]