Porophyllum scoparium

A shrubby aster with discoid pseudanthia. The phyllaries have translucent oil glands, but these are not as obvious as in genera like Pectis.

Flowering stems at Peña Blanca on the southwest end of the Organ Mountains, 16 Sep 2006.

Plant habit, with Peña Blanca in the background, 16 Sep 2006.

A pseudanthium at Peña Blanca, 16 Sep 2006.

A pseudanthium on Bishop's Cap, southeast of Las Cruces, 10/16/05.

Plant habit on Bishop's Cap, 10/16/05.

Branches on Bishop's Cap, 10/16/05.