Seedling
Cotyledons oval to ovate, hairless. First true leaves the beginning of a rosette, leaves oval to elliptic, with toothed or smooth edges. Upper surface hairy, base narrows into a stalk.
Mature plant
Stems erect, few branches, one to several stems from basal rosette, 2 inches to 4 feet tall at maturity. Smooth to slightly hairy.
Leaves rosette at base, alternate on stems. Shape and size varies, with basal leaves oblong, smooth edges to deeply divided and thoothed edges. Basal leaves narrowing into a stalk. Stem leaves smaller, lanceolate to linear, smooth to finely toothed edges, stalkless, clasping the stems. Leaves smooth to slightly hairy.
Root structure description
Taproot, branched.
Flowers
White, small, with four petals in cross shape, on elongated stems at ends of branches. Winter annual forms flower starting early May. Annual forms begin flowering in late-June, continusing to late fall. Seed pod with 2 sections, heart shaped, with the pointed end joining the flower stalk.
