| Common Names - Lopseed Family | Synonyms - |
| Authority - Schauer | Total Number of genera - |
| Gymnosperm or Angiosperm? - Angiosperm | Total Number of species - 190 |
| Plant forms - Includes woody shrubs to 4 meters high. | |
| World Distribution - Worldwide but with the majority in western North America (about 130 species) and Australia (about 30 species). | |
| Comments - This genus was previously placed by Cronquist in the verbena family Verbenaceae. | |