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''Eryngium aquaticum'' is a species of flowering plant in the carrot family known by the common name rattlesnakemaster,〔(''Eryngium aquaticum''. ) USDA Plants Profile.〕 marsh rattlesnake master,〔(''Eryngium aquaticum''. ) NatureServe.〕 corn-snakeroot, bitter snakeroot, and marsh eryngo.〔(''Eryngium aquaticum''. ) USDA NRCS Plant Guide.〕 This plant is native to eastern North America.〔 This biennial or perennial herb grows up to 2 meters tall. The ribbed, erect stem branches toward the top. There are alternately arranged leaves which are lance-shaped and toothed on the edges. The basal leaves may be up to 90 centimeters long by 9 wide. The inflorescence contains white to blue flower heads with spiny, blue-tinged bracts.〔 In the wild this plant grows in wet soils, such as those by bogs, marshes, and ditches. It tolerates saturated soils and periodic flooding.〔 This plant had a number of medicinal uses for Native American groups. The Cherokee people used it for nausea.〔(''Eryngium aquaticum''. ) University of Michigan Ethnobotany.〕 The Choctaw people used it as a remedy for snakebite and gonorrhea, and the Delaware people used it for intestinal worms.〔 Many groups made it into tea to treat gastrointestinal complaints. The Koasati attributed magical powers to the plant.〔 This plant is used in flower arranging and as an ornamental garden plant.〔 However, most plants sold under the name ''E. aquaticum'' are actually specimens of ''Eryngium yuccifolium''.〔〔(''Eryngium aquaticum''. ) Missouri Botanical Garden.〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Eryngium aquaticum」の詳細全文を読む スポンサード リンク
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