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''Trillium cernuum'' (Nodding Trillium, Nodding Wakerobin,〔 or Whip-poor-will flower〔Lady Bird Johnson Wildflower Center (''Trillium cernuum'' ) Retrieved August 5, 2010.〕) is a species of ''Trillium'' native to northeastern North America, from Newfoundland west to southern Saskatchewan, and south to northern Virginia and Iowa. It occurs on rich, moist soils in both broadleaf and coniferous woodland.〔Flora of North America: (''Trillium cernuum'' ) Retrieved September 24, 2007.〕 It is a perennial herbaceous plant with one or more unbranched stems tall growing from an underground rhizome. The apex of each stem has whorl of three abruptly pointed bracts long and broad, and on strong stems, also a solitary flower hanging below the leaves on a peduncle. The flower is perfect, with three slender pale green sepals long, three broad white (rarely pink) petals long and broad, six purple stamens, and a solitary pistil; flowering is in late spring to early summer. The fruit is a six-lobed reddish berry up to 3 cm diameter, ripening in late summer.〔Northern Ontario Plant Database: (''Trillium cernuum'' ) Retrieved September 24, 2007.〕〔〔Intermountain Herbarium: (''Trillium cernuum'' ) Retrieved September 24, 2007.〕〔Boreal Forest: (''Trillium cernuum'' ) Retrieved September 24, 2007.〕 ==Gallery== File:Trilliumcernumm.jpg File:Trillium cernuum.jpg File:Nodding trillium flower -SC woodlot- 1.JPG File:Nodding trillium flower -SC woodlot- 2.JPG File:Trillium Fruit.jpg|fruit 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「Trillium cernuum」の詳細全文を読む スポンサード リンク
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