Annual.

Height.    30 -m

Flowers.  Umbels with 3 - 5 main rays, the bracts triangular-oval with a heart shaped base, glands kidney shaped with blunt horns.

Flowering period.  June - Nov

Habitat.    Disturbed and wasteland.. Mainly calcareous soils.

Regions in France.   All.

Protection in  France.   None known.