spi·der·wort /-ˌwɝt, ˌwɔrt/
紫鴨拓草
Spi·der·wort n. Bot. An American endogenous plant (Tradescantia Virginica), with long linear leaves and ephemeral blue flowers. The name is sometimes extended to other species of the same genus.
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spiderwort
n : any plant of the family Commelinaceae [syn: dayflower]