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| Night-flowering catchfly ： ウィキペディア英語版 |
Silene noctiflora
''Silene noctiflora'' is a species of flowering plant in the pink family known by the common names night-flowering catchfly, nightflowering silene and clammy cockle. It is native to Eurasia, but it is known on other continents as an introduced species and sometimes a weed. In North America, it is a common weed of grain crops in the Canadian prairie provinces and in much of the United States.〔(North American Plant Protection Organization )〕 It grows in fields and in other disturbed habitat.
==Description==
The night-flowering catchfly is an annual herb producing a hairy, glandular stem up to about 75 or 80 centimeters in maximum height. It is sticky in texture. The hairy, widely lance-shaped leaves grow in opposite pairs and are up to 14 centimeters long and 5 wide, the largest ones located low on the stem. The flowers are nocturnal,〔(Flora of North America )〕 and occur in an open cyme of up to fifteen blooms, each borne on an erect pedicel. The flower is encapsulated in a hairy calyx of fused sepals lined with a netlike pattern of veining. The five petals are white to pink and each has two lobes at the tip. They measure up to 2.5 centimeters wide when fully open. The fruit is a yellowish-brown capsule with six chambers which splits open to release the seeds.〔(【引用サイトリンク】title=Night-flowering Catchfly: ''Silene noctiflora'' )〕
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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