This notch helps differentiate redroot pigweed from eastern black nightshade. Leaves also have purple petioles. To top Grass Key Top of page 18. Cotyledons small, ovate and green on both surfaces. First true leaves are ovate and simple with a wavy edge and petioles.
First leaves have purple undersides.
May look like redroot pigweed when very small, but does not have notch at leaf tip as redroot pigweed does. To top Grass Key Top of page 19. Cotyledons are smooth, waxy and lanceolate and may be protruding from the bur. True leaves are alternate and triangular to ovate with a rough, sandpapery feel. To top Grass Key Top of page 20.