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Salix sessilifolia Nutt.
Northwest sandbar willow, River Willow, Northwest Willow, Sandbar willow, Longleaf willow
Synonym(s): Salix exigua var. sessilifolia, Salix fluviatilis, Salix fluviatilis var. sessilifolia, Salix longifolia var. sessilifolia, Salix macrostachya, Salix macrostachya var. cusickii, Salix sessilifolia var. villosa
USDA Symbol: SASE3
USDA Native Status: L48 (N), CAN (N)
Handsome shrub or small tree with distinctive, soft, whitish, velvety-hairy twigs, foliage, and flowers.
Northwest Willow is very showy in spring when the whitish blossoms are abundant. The scientific name means stalkless leaves. It was discovered near the mouth of the Willamette River and named by Thomas Nuttall (1786-1859), the British-American botanist.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf:
Bloom InformationBloom Color: White
Bloom Time: Jun , Jul
, WA Canada: BC Native Distribution:
SW. Washington and NW. Oregon only; near sea level. Native Habitat:
Banks of Columbia River from the mouth of the Deschutes River to the lower Willamette River.
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
CaCO3 Tolerance: High
National Wetland Indicator Status
|Status:|| FACW |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2012-10-20
Research By: TWC Staff