Brazoria truncata

Brazoria truncata, common name rattlesnake flower, is a plant species in the family Lamiaceae, first described in 1834. It is endemic to Texas, found in the south-central and eastern parts of the state.

Two varieties are recognized:
 * 1) Brazoria truncata var. pulcherrima (Lundell) M.W.Turner – Centerville brazos-mint
 * 2) Brazoria truncata var. truncata