WILD PARSNIP, Pastinaca sativa L. 1, top of plant showing leaves, seeds, and flowers; 2, seed; 3, flower; 4, root. Biennial, reproducing by seeds. Produces a rosette of large upright leaves and a large fleshy root the first year. Stem (second year) usually somewhat hairy, grooved, erect, 2 to 5 feet (0.6 to 1.5 rn) tall. Leaves alternate, pinnately compound, with coarsely saw-toothed edges, not hairy. Flowers small, with 5 yellow petals, in umbels at the top of stems and branches. Seeds flat, rounded, smooth, straw-colored, with low ribs across them. Found in wastelands and pastures. This is not poisonous but sometimes has been thought to be.