Argemone grandiflora

…annuals in sunny places are A. grandiflora, with large cup-shaped white or yellow blooms; the crested, or thistle, poppy (A. platyceras), with 6- to 10-cm (2- to 4-inch) white or yellow blooms; and the Mexican poppy (A. mexicana), with smaller yellow blooms and light green leaves with white vein markings.