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Ambrosia psilostachya
Also called Perennial Ragweed, Western Ragweed, Dunbible Weed, Roman Wormwood, Naked Spine Ambrosia
Cuman ragweed is a native perennial herb of the Americas that spreads by creeping roots and is common on roadsides and disturbed ground. It is grown mainly as a wild or restoration plant rather than an ornamental.
Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed and perennial ragweed, and western ragweed.
Ambrosia psilostachya contains a group of phytochemicals called psilostachyins.
The plant is widespread across much of North America (United States, Canada, and northern Mexico). It is also naturalized in parts of Europe, Asia, Australia, and South America. It is a common plant in many habitat types, including disturbed areas such as roadsides.
This plant had a number of medicinal uses among several different Native American tribes, including the Cheyenne, Kumeyaay (Diegueno), and Kiowa people.
Flatspine bur ragweed · Ambrosia leaf bur ragweed · Ambrosia arborescens · Annual ragweed · Lanceleaf ragweed · Silver bur ragweed · Rio Grande ragweed · San Diego bur ragweed · Weakleaf bur ragweed · Tucson bur ragweed · Triangle bur ragweed · Burrobush
Text excerpted from the Wikipedia article Ambrosia psilostachya by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
