Citation: L., Sp. Pl. 239 (1753).

Derivation: Greek tordylion, the name of some species of this genus in the writings of Dioscorides; derivation uncertain.

Synonymy: Not Applicable

Common name: None

Description:
Annual herbs; stem erect, branched, often hispid; leaves simple, pinnatisect or pinnate, broad.

Sepals prominent, often unequal; petals white (sometimes purplish), cuneate-obovate or clawed, the outer often larger and deeply 2-lobed; apex inflexed.

Fruit orbicular or ovate-elliptical, strongly dorsally compressed with a thickened hardened and usually regularly corrugated or lobed margin; mericarps with inconspicuous filiform dorsal and intermediate ribs.

Distribution:  About 16 species in temperate Eurasia and northern Africa.

Biology: No text

Author: Not yet available