词条 | flowering rush |
释义 | flowering rush plant perennial freshwater plant native to Eurasia, now common throughout the north temperate zone. B. umbellatus is the only species of the family Butomaceae. Long, tapering leaves extend the full height of about 1 metre (about 40 inches) from the base of the plant. The rose-coloured flowers have three sepals and three petals. |
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