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Salix interior (Sandbar willow)
Reveal, James L.

Salix interior

Salix interior Rowlee

Sandbar Willow, Sand-bar Willow

Salicaceae (Willow Family)

Synonym(s): Salix exigua ssp. interior, Salix exigua var. exterior, Salix exigua var. pedicellata, Salix exigua var. sericans, Salix fluviatilis var. sericans, Salix interior var. exterior, Salix interior var. pedicellata, Salix interior var. wheeleri, Salix longifolia, Salix longifolia var. interior, Salix longifolia var. pedicellata, Salix longifolia var. sericans, Salix longifolia var. wheeleri, Salix rubra, Salix wheeleri

USDA Symbol: SAIN3

USDA Native Status: L48 (N), AK (N), CAN (N)

No other willow has such extremely long leaves in proportion to their breadth - 16 to 18 times as long as broad. There is consequently little shade under a sandbar willow. (Peattie)


From the Image Gallery

17 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub , Tree
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Up to about 30 feet tall.
Fruit: Brown

Bloom Information

Bloom Color: Yellow , Green , Brown
Bloom Time: Apr , May , Jun , Jul


USA: AK , AR , CO , CT , DC , DE , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , ND , NE , NJ , NY , OH , OK , PA , SD , TN , VA , VT , WI , WV , WY
Canada: AB , BC , MB , NB , NT , ON , QC , SK , YT

Growing Conditions

Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry , Moist , Wet

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

National Wetland Indicator Status

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.


Bibref 297 - Trees of Central Texas (1984) Vines, Robert A.

Search More Titles in Bibliography

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Salix interior in USDA Plants
FNA: Find Salix interior in the Flora of North America (if available)
Google: Search Google for Salix interior


Record Modified: 2023-01-23
Research By: TWC Staff

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