family Primulaceae - a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the northern hemispheregenus Primula - very large and important genus of plants of temperate Europe and Asia having showy flowers genus Cyclamen - genus of widely cultivated flowering Eurasian herbs with centrally depressed rounded tubers and rounded heart-shaped leaves genus Lysimachia, Lysimachia - loosestrife: a cosmopolitan genus found in damp or swampy terrain having usually yellow flowers; inclined to be invasive |