Ruellia nudiflora, or Violet Wild Petunia, is an erect perennial forb with tubular, purple, slightly irregular flowers. Found in sandy washes and ditches, in desert scrub, and desert grassland from 1500–4500 ft flowering April–September. Good food source for many butterflies. Low to medium water requirements plant in full sun to shade. Dry, moist, and sandy soils are ideal.
Violet Wild Petunia, Ruellia nudiflora