Noun
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| caltrop -
tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
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devil's weed,
Tribulus terestris |
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subshrub,
suffrutex low-growing woody shrub or perennial with woody base
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| caltrop -
a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
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water chestnut,
water chestnut plant |
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aquatic plant,
hydrophyte,
hydrophytic plant,
water plant a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
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genus trapa,
trapa small genus of Eurasian aquatic perennial herbs: water chestnut
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jesuits' nut,
trapa natans,
water caltrop a variety of water chestnut
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| caltrop -
Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
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star-thistle,
Centauria calcitrapa |
