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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 cheiranthifolia

Ambrosia cheiranthifolia A. Gray

Rio Grande Ragweed, South Texas Ragweed

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: AMCH2

USDA Native Status: L48 (N)

 

From the Image Gallery

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 16 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow , Green
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Flowers are inconspicuous and without ray florets.

Distribution

USA: TX

U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q1SS
Status: Endangered
Historic Range: U.S.A. (TX)
Critical Habitat: N/A
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Naval Air Station Kingsville - Kingsville, TX

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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

Metadata

Record Modified: 2018-12-11
Research By: CBR

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