Photo: Nuttallanthus texanus 1.

Flower. Kitt's Peak, AZ, US. Wild. 1998-03-01.

Nuttallanthus texanus (Scheele) D. A. Sutton
Engl.: texas toadflax.
Bot. syn.: Linaria canadensis (L.) Chaz. var. texana (Scheele) Pennell, Linaria texana Scheele