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''Thermopsis rhombifolia'', also known as Golden Bean, Buffalo Bean, Wet Tooth, and Buffalo Flower, is a hardy perennial native to the North American plains. A member of the pea family, it grows in grassland, hillsides, and patchy woodland areas to a height of about 30 cm, and produces bright yellow golden flowers about a centimetre long. The flowers were commonly used by the natives as a source of yellow dye and were boiled in a tea as a cure for stomach ailments for people and horses. The plant has toxic properties if ingested; symptoms of poisoning include vomiting, dizziness, and abdominal pain. This plant is a beautiful addition to an early spring garden, but is extremely aggressive and must be contained. ==References== # (Stories and Spaces - Buffalo Bean ) Retrieved 25 April 2006 # (Case series of Thermopsis exposure ) Retrieved 25 April 2006 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「Thermopsis rhombifolia」の詳細全文を読む スポンサード リンク
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