caltrop
美['kæltrəp] 英['kæltrəp]
sp. 蒺藜
英英释义
Noun- tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
- a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
- Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
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