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Clarkia exilis
''Clarkia exilis'' is a small herbaceous annual plant of western North America. It is an uncommon species in the evening primrose family known by the common names Kern River clarkia and slender clarkia.
==Description==
C. exilis is an annual herb producing a slender, erect stem often exceeding half a meter in height. The bright green leaves are lance-shaped to narrowly oval, hairless, up to 6 centimeters long, and sometimes lacking petioles. The top of the stem is occupied by the inflorescence, with open flowers and deflexed buds towards the tip of the stem. The sepals and ovary may be lightly hairy (but typically distinctly less so than its sister-species Clarkia unguiculata). The sepals will remain fused together along one side as the petals bloom. Each of the four petals has a narrow claw and diamond-shaped limb. The entire petal is up to 1.5 centimeters long and white or soft purple or pink, sometimes with a purple spot. There are eight stamens, four of which have large reddish anthers and four with smaller, paler anthers. At maturity the style is equal to the stamens. The fruit is a capsule up to 3 centimeters long and about 2 millimeters wide that may contain from a few to 80 seeds.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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