Anisacanthus Nees (Acanthaceae)

Anisacanthus thurberi 1 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Anisacanthus thurberi 2 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Anisacanthus thurberi 3 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Anisacanthus thurberi 4 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Anisacanthus thurberi 5 Saguaro National Park, Tucson, Arizona 130425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).