Capitula radiate, on long peduncles. Involucral bracts without resin canals. Corolla with a campanulate limb and a basally dilated tube. Style-branches without resin canals. Cypselas adaxially several cell-layers thick, and with three to five lateral cavities. Pappus coroniform or auriculate.
Sprawling, thinly hairy, aromatic annual to 25 cm. Leaves bipinnatisect. Flower heads radiate, solitary on long, naked peduncles, yellow with white rays.