This section is from the book "Field Book Of Western Wild Flowers", by Margaret Armstrong. Also available from Amazon: Field Book Of Western Wild Flowers.
A loosely-branching plant, from one to two feet tall, with dull green, hairy stems, dull green, soft, hairy leaves, and very small flowers in a long spike, too few open at one time to be effective. The corolla is lilac or bluish, often with a magenta tube and magenta "eye." This grows in dry open hill country.

Common Vervain- Verbena prostrata. Wild Verbena-V.Arizonica. MINT FAMILY. Labiatae.
 
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