euphorbia(n = noun.plant) genus euphorbia - type genus of the Euphorbiaceae: very large genus of diverse plants all having milky juice;
is a kind of rosid dicot genus
is a member of euphorbiaceae, family euphorbiaceae, spurge family

   Spurge, or bastard spurge, a genus of plants of many species, mostly shrubby, herbaceous succulents, affording an acrid, milky juice. Some of them are armed with thorns. Most of them yield powerful emetic and cathartic products.

euphorbia, n. any plant of the genus Euphorbia, including spurges.

Etymology:
ME f. L euphorbea f. Euphorbus, 1st-c. Gk physician

cactus euphorbia, euphorbia amygdaloides, euphorbia antisyphilitica, euphorbia caput-medusae, euphorbia corollata, euphorbia cyathophora, euphorbia cyparissias, euphorbia dentata, euphorbia esula, euphorbia exigua, euphorbia fulgens, euphorbia helioscopia, euphorbia heterophylla, euphorbia hirsuta, euphorbia ingens, euphorbia lathyris, euphorbia litchi, euphorbia marginata, euphorbia medusae, euphorbia milii, euphorbia peplus, euphorbia pulcherrima, genus euphorbia