| cnidoscolus | (n) a genus of perennial plant with bristles; belonging to the family Euphorbiaceae, Syn. genus Cnidoscolus |
| spurge nettle | (n) a stinging herb of tropical America, Syn. devil nettle, tread-softly, Jatropha urens, Cnidoscolus urens, pica-pica, Jatropha stimulosus |