Epixiphium wislizeni (Engelm. ex A. Gray) Munz

Epixiphium wislizeni (Engelm. ex A. Gray) Munz. Epixiphium wislizeni, commonly known as baloonbush, is a species of flowering plant in the plantain family, Plantaginaceae. It is the sole species in genus Epixiphium. It is a scrambling or climbing perennial subshrub native to Chihuahua state in northern Mexico and the south western United States where it grows in sand dunes. It has tubular flowers in shades of blue to violet and white and more-or-less triangular untoothed leaves.