Brazoria truncata

Brazoria truncata, common name rattlesnake flower, is a plant species in the 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
2. Brazoria truncata var. truncata