Ageratina occidentalis
Ageratina occidentalis | |
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Regional Parks Botanic Garden Berkeley, California | |
Scientific classification | |
Kingdom: | Plantae |
(unranked): | Angiosperms |
(unranked): | Eudicots |
(unranked): | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Tribe: | Eupatorieae |
Genus: | Ageratina |
Species: | A. occidentalis |
Binomial name | |
Ageratina occidentalis (Hook.) King & H.Rob. | |
Synonyms[1] | |
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Ageratina occidentalis is a species of flowering plant in the daisy family known by the common name western snakeroot or western eupatorium.[2] It is native to the western United States where it grows in several types of habitat. It is found in California, Oregon, Washington, Idaho, Montana, Nevada, and Utah.[3]
Ageratina occidentalis is a rhizomatous perennial herb growing fuzzy green or purple stems to a maximum height near 70 centimeters. The glandular leaves are triangular with serrated edges. The inflorescence is a dense cluster of fuzzy flower heads containing long, protruding disc florets in shades of white, pink, and blue. There are no ray florets. The fruit is an achene a few millimeters long with a rough, bristly pappus.[4]
References
External links
Wikimedia Commons has media related to Ageratina occidentalis. |
- United States Department of Agriculture Plants Profile
- Calphotos Photo gallery, University of California
This article is issued from Wikipedia - version of the 9/16/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.