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Tetradymia axillaris : ウィキペディア英語版 | Tetradymia axillaris
''Tetradymia axillaris'' is a flowering plant in the daisy family known by the common names longspine horsebrush and cottonthorn. This is a plant of the sagebrush and desert plant communities of the southwestern United States. The plant forms a sprawling thicket and is very spiny. The green leaves dry and their tissues fall away, leaving the veins as hard, sharp spines. When in foliage the bush has green, hairy stems and bears yellow daisylike flowerheads in the axils, or angles, of the newest branches. The fruits are released in masses of cottony seed. There are two varieties of the species, var. ''axillaris'' and var. ''longispina''. They grow together in some areas and there their characteristics may intergrade.〔(''Tetradymia axillaris''. ) Flora of North America.〕 The sharp spines were used as tattooing needles by the Kawaiisu Native Americans of California.〔(''Tetradymia axillaris''. ) Native American Ethnobotany. University of Michigan, Dearborn.〕 ==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「Tetradymia axillaris」の詳細全文を読む
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