Verbena lasiostachys is a species of verbena known by the common name western vervain. It is native to western North America from Oregon, throughout California, to Baja California. It is widespread and occurs in many types of habitat, including California chaparral and woodlands and the Sierra Nevada. It is also found in disturbed areas, where it grows like a common weed. Description Verbena lasiostachys is perennial herb produces one or more hairy, decumbent to erect stems up to 80 centimeters long. The hairy leaves are toothed or lobed and have short, winged petioles. The inflorescence is made up of one to three spikes of flowers which are dense at the tip and more open on the lower part. Each small tubular flower has a hairy calyx of sepals and a purple corolla no more than half a centimeter wide. External links Jepson Manual Treatment — Verbena lasiostachys Verbena lasiostachys Photo gallery lasiostachys Flora of California Flora of Baja California Flora of Oregon Flora of the Cascade Range Flora of the Klamath Mountains Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of the Central Valley (California) Natural history of the Channel Islands of California Natural history of the Peninsular Ranges Natural history of the San Francisco Bay Area Natural history of the Santa Monica Mountains Natural history of the Transverse Ranges Flora without expected TNC conservation status