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Astragalus obscurus : ウィキペディア英語版 | Astragalus obscurus
''Astragalus obscurus'' is a species of milkvetch known by the common name arcane milkvetch. It is native to the northwestern United States of Idaho and Oregon and northern parts of Nevada and California. It is a plant of rocky areas in mountains and Great Basin plateaus. This is a small, mat-forming perennial herb with tufts of hairy stems approaching a maximum length of 15 centimeters. The leaves are up to 10 centimeters long and made up of thick oval-shaped leaflets. The inflorescence is a dense cluster of 5 to 15 off-white to faintly lilac-tinted flowers, each less than a centimeter long. The fruit is a narrow, leathery legume pod held upright in the infructescence. It may reach 2.5 centimeters in length and usually has two chambers inside. ==External links==
*(Jepson Manual Treatment ) *(USDA Plants Profile ) *(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「Astragalus obscurus」の詳細全文を読む
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