Wildflowers of the United States | |||||||||||||
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Cephalanthus occidentalis - Buttonbush, Common Buttonbush, Button Ball, Riverbush, Honey-bells, Button Willow. While there are 17 species in the Cephalanthus genus worldwide, there are only two species of Buttonbush found in the United States. Mexican Buttonbush, Cephalanthus salicifolius is native to a couple of the southernmost counties in Texas, the only state in the U.S. in which it is found. The species presented here, Common Buttonbush - Cephalanthus occidentalis - is found throughout the eastern United States and Canada, as far west as Nebraska and Texas, and is also found in Arizona and California. (I find it curious that it makes the jump from Texas to Arizona, but is apparently not found in New Mexico, which lies between those two states.) Some authorities recognize two varieties, with the western variety known as California Buttonbush. | Common Buttonbush is a wetland shrub or small tree which can grow to nearly 10 feet tall along the banks of streams, ponds, lakes, marshes, and in other wetland areas. The bark contains a poison that will cause vomiting, paralysis, and convulsions if eaten. Found in: AL, AR, AZ, CA, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA, VT, WI, WV Leave comments on Cephalanthus occidentalis at this link. Map courtesy of The Biota of North America Program. Map color key Search Our Database: Enter any portion of the Scientific, Common Name, or both. Do a general Google search of the entire site: #ad #ad
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