What is "trichostema"

Trichostema is a genus of flowering plants in the Lamiaceae family, which are aromatic herbs or subshrubs. These plants are native to North America. Many plant of this genus which have whorls of small blue flowers are called by the common name bluecurls.

• Trichostema arizonicum A.Gray – Arizona, New Mexico, Texas, Sonora, Chihuahua
• Trichostema austromontanum H.F.Lewis – Nevada, California, Baja California
• Trichostema brachiatum L. - eastern, central, + southwestern US; also Quebec, Ontario
• Trichostema dichotomum L. – Bahamas, Quebec, Ontario, eastern + south-central US
• Trichostema lanatum Benth. – California, Baja California
• Trichostema lanceolatum Benth. – Washington, Oregon, California, Baja California
• Trichostema laxum A.Gray – Oregon, California
• Trichostema mexicanum Epling – northeastern Mexico
• Trichostema micranthum A.Gray – Arizona, California, Baja California
• Trichostema oblongum Benth. – British Columbia, Washington, Oregon, California, Nevada, Idaho
• Trichostema ovatum Curran – California
• Trichostema parishii Vasey – California, Baja California
• Trichostema purpusii Brandegee – central + southern Mexico
• Trichostema rubisepalum Elmer – central California
• Trichostema ruygtii H.Lewis – northern California (Lake, Napa, Solano Counties)
• Trichostema setaceum Houtt. – eastern + south-central US
• Trichostema simulatum Jeps. – Oregon, California
• Trichostema suffrutescens Kearney – Florida