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Western Wetland Flora

Field Office Guide to Plant Species

Diamond-leaf Willow
Salix planifolia Pursh

JPG -- Species Photo JPG -- Distribution Map

Family: Willow (Salicaceae)
Flowering: May-June
Field Marks: This shrubby willow may be distinguished by its usually toothless, smooth leaves up to 3/4 inch wide.
Habitat: Along streams, moist meadows, fens.
Habit: Shrub with numerous trunks, up to 10 feet tall.
Twigs: Reddish brown, smooth, shiny.
Leaves: Alternate, simple, elliptic to oblanceolate, up to 2 1/2 inches long, up to 3/4 inch wide, pointed or rounded at the tip, rounded or tapering to the base, paler on the lower surface, smooth at maturity, without teeth; leaf stalks up to 1
Flowers: Crowded into slender spikes up to 1 1/2 inches long, appearing as the leaves have begun to unfold; male spikes and female spikes borne separately; bracts black.
Sepals: 0.
Petals: 0.
Stamens: 2.
Pistils: Ovary hairy.
Fruits: Capsules ovoid, with a long neck, hairy, up to 1/6 inch long.
Notes: The fruits may be found between June and August.

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/florawe/species/5/saliplan.htm
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Page Last Modified: Saturday, 02-Feb-2013 06:26:01 EST
Menlo Park, CA [caww54]