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Atriplex canescens (Chamiso)
Flaigg, Norman G.

Atriplex canescens

Atriplex canescens (Pursh) Nutt.

Chamiso, Four-wing saltbush, Fourwing saltbush, Wingscale

Chenopodiaceae (Goosefoot Family)

Synonym(s):

USDA Symbol: atca2

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

Four-wing saltbush is a 3 ft., semi-evergreen shrub which can reach 8 ft. Summer flowers are insignificant, but the clusters of gold-tan, four-winged fruits, which occur on female plants only, are showy. The branches and small, narrow leaves of this mound-shaped shrub are covered with a dense, silvery pubescence. Extremely variable shrub: compact and rounded; sprawling and low; to open-branched and treelike.

There are many varieties of Four-winged Saltbush. The plant is known to hybridize with at least a dozen other Atriplex species, and new forms and varieties continue to arise.

 

Plant Characteristics

Duration: Perennial
Habit: Shrub
Root Type: Tap
Leaf Complexity: Simple
Leaf Shape: Linear
Breeding System: Flowers Unisexual , Dioecious
Leaf: Green
Flower:
Fruit: Brown Four-winged
Size Class: 6-12 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct

Distribution

USA: AZ , CA , CO , ID , KS , MT , ND , NE , NM , NV , OK , OR , SD , TX , UT , WA , WY
Native Distribution: ND to Alt. & e. WA, s. to TX, AZ & Baja CA
Native Habitat: Dry, barren flats; slopes; washes

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: High
Soil Description: Alkaline, well-drained soils. Saline tolerant, Caliche type, Limestone-based, Sandy, Sandy Loam, Medium Loam Clay Loam Clay Calcareous
Conditions Comments: Will work in extremely dry, salty conditions and in recommended for its durability rather than its beauty. Useful for stabilizing soil and providing wildlife cover. Saltbush can be very invasive and difficult to eradicate, especially in wetlands. Severe pruning produces better specimens. If planting in a rabbit or deer area, plants will need to be caged until foliage reaches 3-4 ft.

Benefit

Use Ornamental: Showy, Fall conspicuous, Fruits ornamental, Erosion control
Use Wildlife: Important as wildlife cover and food plants. Fruit-mammals, Fruit-birds, Nectar-bees, Nectar-insects
Warning: This plant may accumulate levels of the soil mineral selenium that makes it toxic to livestock.
Conspicuous Flowers: yes

Propagation

Propagation Material: Seeds
Description: Increase by seed sown in spring or softwood cuttings taken from late spring to early fall.
Seed Collection: Gather by hand when ripe in late summer or fall. Cleaning or dewinging before storage is not necessary although the bracts contain high accumulations of soluble salts which may inhibit germination. Store seed in cloth or paper bags in a dry, cool place. Seeds must undergo a 10 month period of after-ripening.
Seed Treatment: Germination of many Atriplex species can be increased by presoaking the fruits and then wringing the water and dissolved salts from the material.
Commercially Avail: yes

Butterflies and Moths of North America (BAMONA)

Atriplex canescens is a larval host and/or nectar source for:
San Emigdio Blue
(Plebejus emigdionis)

Larval Host
Learn more at BAMONA
Mohave Sootywing
(Hesperopsis libya)

Larval Host
Learn more at BAMONA
Saltbush Sootywing
(Hesperopsis alpheus)

Larval Host
Learn more at BAMONA

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

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:

Santa Barbara Botanic Garden - Santa Barbara, CA
Texas Discovery Gardens - Dallas, TX
Sibley Nature Center - Midland, TX
Texas Parks and Wildlife Department - Austin, TX
Native Seed Network - Corvallis, OR

Bibliography

Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 291 - Texas Wildscapes: Gardening for Wildlife (1999) Damude, N. & K.C. Bender

Search More Titles in Bibliography

From the Archive

Wildflower Newsletter1990 VOL. 7, NO.1 - Congress Eyes Larger Issue, Research Update, Director's Report, Carlton B. Lees ...

Additional resources

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

Metadata

Record Last Modified: 2007-01-01
Research By: TWC Staff

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