PlantsFlowering PlantsRuellias & relatives — Family Acanthaceae
Limestone Ruellia
Ruellia strepens
Herbs. Stems often squarish. Leaves opposite, simple. Stems often squarish. Sepals 5. Stamens 2 or 4.
No image available.
Desert Honeysuckle — Genus Anisacanthus
No image available.
Wrightwort — Genus Carlowrightia
False Mint
Foldwing — Genus Dicliptera
Narrow-leaf Snakeherb
Snakeherb — Genus Dyschoriste
No image available.
Scalystem — Genus Elytraria
No image available.
Swampweed — Genus Hygrophila
American Water-willow
Water-willows — Genus Justicia
No image available.
Stiff Beargrass —  Nomaphila stricta [1]
Limestone Ruellia
Ruellia — Genus Ruellia
Flowers nearly radial.
No image available.
Shaggytuft — Genus Stenandrium
No image available.
Hairy Fournwort —  Tetramerium nervosum [1]
No image available.
Blackeyed Susan Vine —  Thunbergia alata [1]
No image available.
Bractspike — Genus Yeatesia
Evidence that species is found in Texas:
  1. USDA Plants Database, advanced search for Texas plants from the United States Department of Agriculture.