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・ Ranulph Dacre
・ Ranulph de Mortimer
・ Ranulph Fiennes
・ Ranulph Glanville
・ Ranulph Vincent
・ Ranum
・ Ranunculaceae
・ Ranunculales
・ Ranunculetum fluitantis
・ Ranunculidae
・ Ranunculin
・ Ranunculus
・ Ranunculus abortivus
・ Ranunculus aconitifolius
・ Ranunculus acraeus
Ranunculus acris
・ Ranunculus aestivalis
・ Ranunculus alismifolius
・ Ranunculus allenii
・ Ranunculus andersonii
・ Ranunculus aquatilis
・ Ranunculus arvensis
・ Ranunculus asiaticus
・ Ranunculus auricomus
・ Ranunculus austro-oreganus
・ Ranunculus bonariensis
・ Ranunculus bulbosus
・ Ranunculus calandrinioides
・ Ranunculus canus
・ Ranunculus cortusifolius


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Ranunculus acris : ウィキペディア英語版
Ranunculus acris

''Ranunculus acris'' is a species of flowering plant in the family Ranunculaceae, and is one of the more common buttercups across Europe and temperate Eurasia. Common names include meadow buttercup, tall buttercup, common buttercup and giant buttercup.
==Description==
This species is variable in appearance across the world. It is a somewhat hairy plant that has ascending, ungrooved flowing stems bearing glossy yellow flowers about 25 mm across. There are five overlapping petals borne above five green sepals that soon turn yellow as the flower matures. It has numerous stamens inserted below the ovary. The leaves are compound, with three lobed leaflets. Unlike ''Ranunculus repens'', the terminal leaflet is sessile. As with other members of the genus, the numerous seeds are borne as achenes. This and other buttercups contain ranunculin, which breaks down to the toxin protoanemonin, a chemical that can cause dermatitis and vomiting.
The rare autumn buttercup (''R. aestivalis'') is sometimes treated as a variety of this species.〔(USDA Plants Profile: ''R. aestivalis''. )〕

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「Ranunculus acris」の詳細全文を読む



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