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標題: [美國 USA] USA 16 - 石竹花冠龍膽 Gentiana crinita (Gentianaceae)
paulvps
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發表於 2009-8-22 08:05  資料 文集 短消息 
USA 16 - 石竹花冠龍膽 Gentiana crinita (Gentianaceae)

Fringed Gentian

Quote from North American Wildlife
Pollinating insects are attracted to gentians by the fragrant nectar in the vaselike flowers - a substance so enticing that bees force open the petals of Bottle Gentians to reach it. Because many flying insects avoid dark places, they would be hesitant to enter the blue flowers of most gentians were it not for translucent white patches that admit light to the bottom of the blossoms. Species with light colors, such as the Yellow Gentian (Gentiana flavida) of the East and Midwest, need no such devices.
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攝於 Oldfaithful Geyser, Yellowstone National Park

[ 本帖最後由 paulvps 於 2009-8-23 07:26 編輯 ]

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daydream   2009-8-22 21:14  種子  +10   感謝分享 Thanks for sharing !




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daydream (Daydream)
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發表於 2009-8-22 21:15  資料 主頁 短消息 
love Yellow Stone !!




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