Melampodium perfoliatum

A Polymnia-like Melampodium found in the Sierra Madre Occidental of Mexico, with a disjunct population near Los Angeles, California.

Inflorescences at the Cascada de Basaseachic overlook, east slope of the Sierra Madre Occidental, Chihuahua, Mexico, 8 Sep 2009. Photographed on a trip with the American Penstemon Society.

Achenes at the Cascada de Basaseachic overlook, 8 Sep 2009.

More pseudanthia at the Cascada de Basaseachic overlook, 8 Sep 2009.

Closer view of a pseudanthium at the Cascada de Basaseachic overlook, 8 Sep 2009.

Cauline leaf at the Cascada de Basaseachic overlook, 8 Sep 2009. Note the perfoliate base of the leaves.