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Rumex acetosella : ウィキペディア英語版 | Rumex acetosella
''Rumex acetosella'' is a species of sorrel, bearing the common names sheep's sorrel, red sorrel, sour weed, and field sorrel. The plant and its subspecies are common perennial weeds. It has green arrowhead-shaped leaves and red-tinted deeply ridged stems, and it sprouts from an aggressive and spreading rhizome. The flowers emerge from a tall, upright stem. Female flowers are maroon in color. == Distribution and habitat == The plant is native to Eurasia and the British Isles, but it has been introduced to most of the rest of the northern hemisphere. It is commonly found on acid, sandy soils in heaths and grassland.〔 It is often one of the first species to take hold in disturbed areas, such as abandoned mining sites, especially if the soil is acidic. Livestock will graze on the plant, but it is not very nutritious and is toxic in large amounts because of oxalates. The American Copper or Small Copper butterfly also depends on it for food.
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「Rumex acetosella」の詳細全文を読む
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