蓼属 Polygonum
（重定向自Smartweed）
蓼属(蓼读liǎo)（学名：Polygonum）是蓼科的一年生草本植物。
蓼的叶子为披针形，花为淡红色或绿色。果实成卵形，扁形。茎叶有辣味。种类很多，大多生长在水边，有何首乌、水蓼、红蓼、扛板归等。全草可以入药，而叶或茎则可拿来作染料使用，但其作为靛青染料之原料实为是相当浅的蓝色，故往往再经由不同的提炼技术变化出多样染法。 蓼科中部分植物的泛称 [knot-weed]。
smartweed
/'smɑːtwiːd/ /ˈsmɑrtˌwid/
英汉-汉英词典
n. 荨麻
词组 | 习惯用语
您要查找的是不是：
- smarten vt. 使整洁；使漂亮潇洒；使更敏捷；使更聪明 vi. 打扮；变得更轻快；变得更聪明；变得更剧烈
- smartness n. 敏捷；机灵；现代风格
smartweed n. 荨麻；蓼
网络短语:
nettle smartweed 荨麻
woolly smartweed 绒毛蓼
marshpepper smartweed 二氧六环
dotted smartweed 班点蓼
中文百科
英语百科
Polygonum 蓼属
（重定向自Smartweed）
Polygonum is a genus of about 220 species of flowering plant in the buckwheat and knotweed family Polygonaceae. Common names include knotweed, knotgrass, bistort, tearthumb, mile-a-minute, smartweed and several others. In the Middle English glossary of herbs Alphita (c. 1400-1425), it was known as ars-smerte. There have been various opinions about how broadly the genus should be defined. For example, Buckwheat (Fagopyrum esculentum) has sometimes been included in the genus as Polygonum fagopyrum.
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