Ratibida columnaris

One of the more distinctive asteracids, with a tall, columnar receptacle.

A pseudanthium at Enchanted Rock in Central Texas, 8/13/05.

A pseudanthium in Las Cruces near Las Alturas Drive, 9/5/05.

Old receptacles that have lost most of their achenes, in Las Cruces, 9/5/05.

A cauline leaf in Las Cruces, 9/5/05.