| Noun | 1. | genus Scleranthus - small genus of Old World weedy prostrate annuals: knawel 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) knawe, knawel, Scleranthus annuus - widely distributed low-growing Eurasian herb having narrow leaves and inconspicuous green flowers |