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''Amsonia tomentosa'' is a species of flowering plant native to the southwestern United States (S California, S Nevada, Utah, Arizona, New Mexico, W Texas) and northern Mexico (Chihuahua).〔(Kew World Checklist of Selected Plant Families )〕〔(Biota of North America Program 2013 county distribution map )〕 Its common names include woolly bluestar and gray amsonia. ''Amsonia tomentosa'' is a short, woody plant with many erect stems rarely reaching half a meter in height. The plant has two forms, a green glabrous (hairless) form, and a gray woolly form. The leaves are oval but pointed, and about 3 centimeters long. The flowers are white with a green or blue tint. They are tubular at the base and have flat faces with five petals. The flowers often come clumped in a cyme inflorescence. The fruits are podlike follicles that may separate into sections, each bearing a seed. ;Varieties # ''Amsonia tomentosa'' var. ''stenophylla'' Kearney & Peebles - Arizona, New Mexico, Utah, Texas, Chihuahua # ''Amsonia tomentosa'' var. ''tomentosa'' - S California, S Nevada, NW Arizona ==Uses== Among the Zuni people, a compound poultice of the root of the ''tomentosa'' variety is applied with much ceremony to rattlesnake bite.〔Stevenson, Matilda Coxe 1915 Ethnobotany of the Zuni Indians. SI-BAE Annual Report #30 (p. 53)〕 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「Amsonia tomentosa」の詳細全文を読む スポンサード リンク
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