Cephalanthus occidentalis
| California Button Willow | |
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| File:Cephalanthus occidentalis var. californica-s.jpg.JPG | |
| California Button Willow, Cephalanthus occidentalis var. californicus | |
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| Genus: | Cephalanthus
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| Species: | C. occidentalis
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| Cephalanthus occidentalis var. californicus | |
California has its own variety of the commonly known Buttonwillow rightfully coined as the California Button Willow. This plant falls under the Rubiaceae family, Cephalanthus genus, and the sole species of occidentalis var. californicus.
The California Button Willow is most commonly found in various parts of Central to Northern California such as the Sierra Nevada Foothills, San Joaquin Valley, Sacramento Valley, and the Inner North Coast Ranges.
The genus Cephalanthus most likely translates to "head flower" from ancient Greek (cephalo meaning head and anthus meaning flower) <http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?code=G830>.