South Texas ambrosia (Ambrosia cheiranthifolia)
Kingdom: Plantae
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Listing Status:
Where Listed: WHEREVER FOUND
General Information
South Texas ambrosia is a herbaceous, perennial plant with erect stems. It is grayish-green in color with yellow flowers.
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This map represents our best available information about where a species is currently known to or or is believed to occur; however, it should NOT be used as an official species list for Section 7 Consultation purposes. To obtain an official species list for this purpose, please visit the Information, Planning, and Conservation (IPaC) System (click here: http://ecos.fws.gov/ipac)
This species is listed wherever it is found, but
- States/US Territories in which the South Texas ambrosia is known to or is believed to occur: Texas
- US Counties in which the South Texas ambrosia is known to or is believed to occur: View All
- For more information: http://www.tpwd.state.tx.us/huntwild/wild/species/ambrosia/
| Status | Date Listed | Lead Region | Where Listed |
|---|---|---|---|
| 08/24/1994 | Southwest Region (Region 2) |
» Federal Register Documents
|
» Recovery
Recovery Plan Information Search| Date | Citation Page | Title | Document Type |
|---|---|---|---|
| 03/20/2008 | 73 FR 14995 14997 | 5-Year Reviews of 28 Southwestern Species |
| Date | Title |
|---|---|
| 12/20/2010 | South Texas Ambrosia (Ambrosia cheiranthifolia) 5-year Review |
» Critical Habitat
No critical habitat rules have been published for the South Texas ambrosia.
» Conservation Plans
No conservation plans have been created for South Texas ambrosia
» Petitions
No petition findings have been published for the South Texas ambrosia.
» Life History
Habitat Requirements
South Texas ambrosia is found in grasslands and mesquite dominated shrublands.
Food Habits
South Texas ambrosia is found on various soils ranging from clay loams to sandy loams.
Movement / Home Range
South Texas ambrosia is known from northern Tamaulipas in Mexico, Cameron, Jim Wells, Kleberg and Nueces Counties in Texas.
Reproductive Strategy
South Texas ambrosia flowers from July through November. The plant spreads by rhizomes and one plant may consist of hundreds of stems.
Other
The plant is 4-12 inches (10- 40 centimeters) high with 3 inches (7.6 centimeters) long leaves that are approximately 1.5 inches (4 centimeters) wide. The plant’s silky grey pubescence (hair-like structures) makes South Texas ambrosia different from other Ambrosia species.
» Other Resources
NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.
ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
