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わが国の各地をはじめ、台湾や朝鮮半島、中国に分布する「いぬたで」の白花品種です。道端や畑、荒れ地などに生え、高さは30〜40センチになります。花期は6月から10月ごろ、やや緑色を帯びた白色の花を咲かせます。花穂は短くて垂れません。
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タデ科イヌタデ属の一年草で、学名は Persicaria longiseta f. albiflora (syn. Polygonum longisetum f. albiflorum)。英名はありません。
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The "Shirobana-inu-tade" (Persicaria longiseta f. albiflora) belongs to Polygonaceae (the Knotweed family). It is an annual herb that is a white-flowered form of "Inu-tade" native to Japan, as well as Taiwan, the Korean Peninsula and China. This herb grows in roadsides, fields or waste lands and can reach 30-40 cm in height. Its flower season is June through October. It blooms white flowers with a slight green color and its flowering spikes are short and not drooping.
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[上・中1] 山形県小国町小玉川にて、2018年09月19日撮影。 [中2〜4・下] 同上にて、2024年08月15日撮影。
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