Hedosyne ambrosiifolia

Formerly in the genus Iva, Hedosyne is much like Ambrosia but with both pistillate and staminate flowers in the same heads, rather than in separate heads. This is a common plant in rocky areas at lower elevations.

Pseudanthia at Filmore Canyon on the west side of the Organ Mountains, 7 Sep 2006.

Plant habit at Filmore Canyon, 7 Sep 2006.

Basal rosettes, Cedar Hills, 18 Feb 2007.

Pseudanthia and upper cauline leaf at Filmore Canyon, 7 Sep 2006.