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Native Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Ambrosia psilostachya (Cuman ragweed)
Smith, R.W.

Ambrosia psilostachya DC.

Cuman ragweed, Western ragweed, Perennial ragweed, Common ragweed

Asteraceae (Aster Family)

Synonyms: Ambrosia californica Ambrosia coronopifolia Ambrosia cumanensis auct. non Kunth Ambrosia psilostachya DC. var. californica Ambrosia psilostachya DC. var. coronopifolia Ambrosia psilostachya DC. var. lindheimeriana Ambrosia rugelii

USDA Symbol: AMPS

USDA Native Status: Native to U.S.

 

Plant Characteristics

Duration: Perennial
Habit: Herb
Root Type: Fibrous
Leaf Shape: Lanceolate
Leaf Pubescence: Hirsute
Breeding System: Flowers Unisexual , Monoecious
Flower:
Fruit:
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White , Green
Bloom Time: Jul , Aug , Sep , Oct
Bloom Notes: Bloom season may extend to December.

Distribution

USA: AL , AR , AZ , CA , CO , CT , FL , GA , IA , ID , IL , IN , KS , LA , MA , ME , MI , MN , MO , MT , NC , ND , NE , NH , NM , NV , NY , OH , OK , OR , PA , SC , SD , TN , TX , UT , VT , WA , WI , WY
Canada: AB , BC , MB , ON , PE , QC
USDA Native Status: L48(N), CAN(N)

Growing Conditions

Light Requirement: Sun , Part Shade
Soil Moisture: Dry

Find Seed or Plants

Find seed sources for this species at the Native Seed 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:

Lady Bird Johnson Wildflower Center - Austin, TX
Sibley Nature Center - Midland, TX
Brackenridge Field Laboratory - Austin, TX
Patsy Glenn Refuge - Wimberley, TX
Nueces River Authority - Uvalde, TX
Stengl Biological Research Station - Smithville, TX
Natural Biodiversity - Johnstown, PA
Native Seed Network - Corvallis, OR

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

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

Metadata

Record Modified: 2012-06-20
Research By: TWC Staff

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