Verbena+stricta

=Verbena stricta=
 * Scientific name: Verbena stricta
 * Common name: hoary vervain
 * Category: upland prairie
 * Height: 2-4 feet
 * Flowers: blue, purple
 * Flower bloom: May-September
 * Growth: grows in dry soil
 * Family: vervain
 * Leaf: hair spikes
 * Importance: treats stomach aches