Verbesina longifolia

A plant of oak savannah in southeastern Arizona and adjacent New Mexico. The genus is identifiable by its winged achenes oriented along the radius of the pseudanthium, and the species, as its name suggests, is distinguished by its long, narrow leaves.

Pseudanthia in Rucker Canyon, Chiricahua Mountains, 9/2/06.

Pseudanthium showing immature achenes in Rucker Canyon, 9/2/06.

Cauline leaves in Rucker Canyon, 9/2/06.