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Anemone virginiana : ウィキペディア英語版 | Anemone virginiana
''Anemone virginiana'' is an upright growing herbaceous plant species in the genus ''Anemone'' and family Ranunculaceae. Plants grow tall, flowering early summer but often found flowering till late summer, the flowers are white or greenish-white. After flowering the fruits are produced in a dense rounded thimble shaped spikes long and wide. When the fruits, called achenes, are ripe they have gray-white colored, densely woolly styles, that allow them to blow away in the wind. Native from Eastern North America, where it is found growing in dry or open woods. Common names include tall anemone, thimble-weed〔 page 99〕 and tumble-weed.〔 Note that several other plant species are known as Thimbleweed. Although this plant sometimes is called a tumbleweed, it lacks the characteristic tumbleweed habit. The fruit resembles a tumbleweed in that it is wind-dispersed and tumbles, an unusual mechanism of seed dispersal (see Diaspore (botany)). ==References==
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