| Noun | 1. | Illecebrum - one species: coral necklace caryophylloid dicot genus - genus of relatively early dicotyledonous plants including mostly flowers carnation family, Caryophyllaceae, family Caryophyllaceae, pink family - large family of herbs or subshrubs (usually with stems swollen at the nodes) coral necklace, Illecebrum verticullatum - glabrous annual with slender taproot and clusters of white flowers; western Europe especially western Mediterranean and Atlantic coastal areas |