Common Name: field pennycressScientific Name: Thlaspi arvense L.Family Name: Brassicaceae (Cruciferae) - Mustard FamilyIdentification NotesLife Cyclenative winter annual, reproducing by seed Stemsupright, tall, branching above, smooth Leavesbasal leaves obovate, hairless, rosette; stem leaves alternate, lanceolate, entire or toothed, clasping the stem Flowers4-petaled, white; terminal racemes elongating with age Seed Podssilicle flat, round, winged outer margin, notched tip