acacia genus --- PEA SUBFAMILY 1 (GENUS A TO H )
catclaw acacia (Acacia greggii) -- in April -- River Road East, Big Bend National Park, Texas yellow & orange
viscid acacia (Acacia neovernicosa) -- in April -- River Road East, Big Bend National Park, Texas yellow & orange
blackbrush acacia (Acacia rigidula) -- in April -- Big Bend National Park, Texas yellow & orange