Common Name: biennial lettuce, tall blue lettuceScientific Name: Lactuca biennis (Moench) Fern.Family Name: Asteraceae (Compositae) - Aster or Sunflower FamilyIdentification NotesLife Cyclenative biennial, reproducing by seed Stemsupright, very tall, very leafy, smooth, branched above during flowering Leavesalternate, large, elongated, deeply cut pinnate lobes, lobes roughly triangular, margins toothed, smooth, petioled below, somewhat clasping above Flowersheads of light blue, cream or sometimes yellow ray (ligulate) florets, heads urn-shaped; compact clusters, large, terminal Other: contains milky sap