poinsettia
nounA shrub (Euphorbia pulcherrima) native to Mexico that has a cluster of small yellow flowers surrounded by showy, usually scarlet petal-like bracts.
nounA former genus of American apetalous plants of the order Euphorbiaceæ and tribe Euphorbieæ, how included as a section of the vast genus Euphorbia.
noun[lowercase] The Euphorbia (Poinsettia) pulcherrima, a plant much cultivated in conservatories.
nounA Mexican shrub (
A
tropical American plant having poisonous milk and showy tapering usually scarlet petallike leaves surrounding small yellow flowers