Brazoria truncata, common name rattlesnake flower,Lady Bird Johnson Wildflower Center, University of Texas, Brazoria truncata (Benth.) Engelm. & A. Gray 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.Kew World Checklist of Selected Plant FamiliesBiota of North America Program, 2013 county distribution map
Two varieties are recognized: Brazoria truncata var. pulcherrima (Lundell) M.W.Turner – Centerville brazos-mint Brazoria truncata var. truncata
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