Open woodland plants with large, showy, saucer-shaped flowers and ovate to oblong mid-to-grayish-green leaves.
Verbena
Vervain -This genus originates from the Americas - a large group containing annuals and shrubs, but most popular horticultural Verbenas are low-growing and spreading perennials. Flowers bloom in clustered heads. They thrive in full sun and heat. Low maintenance and drought tolerant, they make good fillers and groundcovers in well drained soils.
Veronica
Speedwell -Originates from the Northern Hemisphere temperate climates. This genus is normally a spreading and matting perennial, with dense spikes of flowers in spring and summer. Prefers sun to light shade, and moderate watering.