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Salix sessilifolia Nutt.
NORTHWEST SANDBAR WILLOW
Northwest willow; Velvet willow; Salix fluviatilis

Life   Plantae   Dicotyledoneae   Salicaceae   Salix


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FamilyScientific name @ source (records)
Andrenidae  Perdita salicis @ UCRC_ENT (8)
Aphididae  Macrosiphum ( @ AMNH_PBI (2)
Melampsoraceae  Melampsora bigelowii @ BPI (1)

Melampsora paradoxa @ BPI (1)
Miridae  Atractotomus atricolor @ AMNH_PBI (14)
_  Anomaloptera angustatus @ AMNH_IZC (2)

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https://plants.usda.gov/java/profile?symbol=SASE3 ---> http://plants.usda.gov/core/profile?symbol=SASE3
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Salix sessilifolia Nutt.
northwest sandbar willow


General Information
Symbol: SASE3
Group: Dicot
Family: Salicaceae
Duration: Perennial
Growth Habit : Shrub
Tree
Native Status : CAN   N
L48   N
Characteristics
Data Source and Documentation
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

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Synonyms

Symbol Scientific Name Other Common Names
SAEXS2 Salix exigua Nutt. var. sessilifolia (Nutt.) Dorn
SAFLS3 Salix fluviatilis Nutt. var. sessilifolia (Nutt.) Scoggan
SAFL2 Salix fluviatilis Nutt., nom. utique rej. river willow
SALOS2 Salix longifolia Muhl. var. sessilifolia (Nutt.) M.E. Jones
SAMA17 Salix macrostachya Nutt.
SAMAC2 Salix macrostachya Nutt. var. cusickii Rowlee
SASEV2 Salix sessilifolia Nutt. var. villosa Andersson

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Dilleniidae
Order Salicales
Family Salicaceae – Willow family
Genus Salix L. – willow
Species Salix sessilifolia Nutt. – northwest sandbar willow

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Washington soft-leaved willow Threatened

Wetland Status

Interpreting Wetland Status

North America
Western Mountains, Valleys, and Coast FACW

Related Links

More Accounts and Images
CalPhotos (SASE3)
Integrated Taxonomic Information System (SAFL2)
Integrated Taxonomic Information System (SAFLS3)
Integrated Taxonomic Information System (SALOS2)
Integrated Taxonomic Information System (SAMA17)
Integrated Taxonomic Information System (SAMAC2)
Integrated Taxonomic Information System (SASE3)
Integrated Taxonomic Information System (SASEV2)
Jepson Interchange (University of California - Berkeley) (SASE3)
Lady Bird Johnson Wildflower Center Native Plant Information Network (SASE3)
Native American Ethnobotany (University of Michigan - Dearborn) (SASE3)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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FNA | Family List | FNA Vol. 7 | Salicaceae | Salix

23. Salix sessilifolia Nuttall, N. Amer. Sylv. 1: 68. 1842.

Northwest sandbar willow

Salix exigua Nuttall var. sessilifolia (Nuttall) Dorn; S. fluviatilis Nutall var. sessilifolia (Nuttall) Scoggan; S. longifolia Muhlenberg var. sessilifolia (Nuttall) M. E. Jones; S. macrostachya Nuttall; S. macrostachya var. cusickii Rowlee; S. sessilifolia var. villosa Andersson

Shrubs, 3-5 m. Stems: branches gray-brown or red-brown, hairy or glabrous; branchlets red-brown, densely villous. Leaves: stipules absent or rudimentary on early ones, rudimentary or foliaceous on late ones (apex acute); petiole 1-6 mm, long-silky adaxially; largest medial blade (sometimes hypostomatous, glands submarginal), linear, lorate, narrowly elliptic, or narrowly oblanceolate, 40-120 × 7.5-16 mm, 3-8.5 times as long as wide, base cuneate or convex, margins flat, remotely spinulose-serrulate, apex acuminate, acute, or caudate, abaxial surface not glaucous, densely to sparsely long- or short-silky or villous, hairs appressed or spreading, straight or wavy, adaxial dull, sparsely long-silky or villous; proximal blade margins entire; juvenile blade yellowish green, very densely long-silky or villous abaxially. Catkins: staminate 38-45 × 6-7 mm, flowering branchlet 25-45 mm; pistillate densely flowered, slender, 40-73 × 6-7 mm, flowering branchlet 20-32 mm; floral bract (sometimes brown), 2.4-3.2 mm, apex acute or rounded, entire or irregularly toothed, abaxially hairy, hairs wavy. Staminate flowers: abaxial nectary 0.4-1 mm, adaxial nectary narrowly oblong, oblong, or flask-shaped, 0.5-1.1 mm, nectaries distinct; filaments hairy on proximal 1/2; anthers 0.8-1.2 mm. Pistillate flowers: adaxial nectary oblong, square, ovate, or flask-shaped, 0.6-1 mm, longer than stipe; stipe 0.2-0.7 mm; ovary pyriform, villous or long-silky, beak abruptly tapering to styles; ovules 24-36 per ovary; styles 0.1-0.7 mm; stigmas flat, abaxially non-papillate with pointed tip, or slenderly cylindrical, 0.4-1 mm. Capsules 4-5.5 mm.

Flowering late Apr-late May. Riparian, streamshores, floodplains, sandy or gravelly substrates; 0-200 m; B.C.; Oreg., Wash.

Hybrids:

Salix sessilifolia forms natural hybrids with S. columbiana and S. melanopsis .

Excluded species:

Salix microphylla Schlechtendal & Chamisso occurs only in Mexico and Guatemala. (See 17. S. taxifolia for comments on its nomenclature.) It is characterized by: shrubs or trees, 0.8-6 m; stipules on late leaves foliaceous; largest medial blade amphistomatous, lorate, narrowly oblong, or narrowly oblanceolate, 5.6-24 × 1.2-3.8 mm, 2.1-13.3 times as long as wide, margins entire or serrulate; staminate abaxial nectary absent; stipes 0.2-1.2 mm; ovary pyriform, long-silky; ovules 21-43 per ovary; style 0.2-0.3 mm; stigmas persistent, slenderly cylindrical lobes, 0.6-0.75-0.92 mm; capsules 4-7 mm (Mexico, Central America [Guatemala]).

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Salix+sessilifolia&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Salix+sessilifolia&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 2
Query: SELECT * FROM img WHERE ready=1 and taxon like "Salix sessilifolia%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Salix sessilifolia
Salix sessilifolia
Sessile-Leaf Willow
ID: 3333 0304 0008 0006 [detail]
© University and Jepson Herbaria

Salix sessilifolia
Salix sessilifolia
Northern Sandbar Willow
ID: 0000 0000 0318 0182 [detail]
© 2018 Susan McDougall

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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