Cnidoscolus
noun
Cni·do·sco·lus
: a genus of stinging perennial herbaceous or shrubby plants (family Euphorbiaceae) characterized by alternate mostly long-petioled palmately veined and often lobed or divided leaves and stipules armed with stinging bristles
Word History
Etymology
New Latin, from cnido- (from Greek knidē nettle) + Greek skōlos thorn, pointed stake; akin to Greek skallein to hoe