Cotyledons and first leaves. Key characteristics: densely hairy, one cotyledon is rounded while the other is more or less heart-shaped. Leaves are alternate and contain some teeth.
Vegetative plants. Key characteristics: leaves are heart-shaped, "velvety" to the touch because of dense pubescence and alternate.
Flower. Key characteristics: yellow-colored and have 5 petals.
Fruit. Key characteristics: cup-shaped which contains 9 to 15 compartments, each containing seed.
Seed. Seed are kidney-shaped, gray-brown and have a few sparse hairs. Length is 3.0 to 4.0 mm.
Life cycle: summer annual.