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''Plagiobothrys collinus'' is a species of flowering plant in the borage family known by the common name Cooper's popcornflower. It is native to California, Arizona, and parts of northern Mexico, where it can be found in many types of habitat. I ''Plagiobothrys collinus'' is an annual herb with a spreading or erect stem 10 to 40 centimeters in length. The leaves along the stem are 1 to 4 centimeters long, the lower ones oppositely arranged and the upper ones alternate. The herbage is coated in fine and rough hairs. The inflorescence is a long, widely spaced series of tiny flowers, each with a five-lobed white corolla no more than 7 millimeters wide, sometimes as small as one millimeter. The fruit is a minute nutlet with angular cross-ribs visible in magnification. This species is divided into varieties which can sometimes be hard to distinguish from each other. ==External links== *(Jepson Manual Treatment: ''Plagiobothrys collinus'' ) *(USDA Plants Profile ) *(''Plagiobothrys collinus'' Photo gallery ) 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「Plagiobothrys collinus」の詳細全文を読む スポンサード リンク
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