Trichostema Linnaeus. Blue Curls.
A genus of about 18 species, shrubs, annual and perennial herbs, of temperate North America (especially diverse in w. North America, with a second center of diversity in se. North America).
Ref: Harley et al. In Kadereit (2004); Lewis (1945); McClelland & Weakley (2019) In Weakley et al. (2019a). Show full citations.
Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.
© Scott Ward
© Richard & Teresa Ware
© Scott Ward
© Floyd A. Griffith
© Gary P. Fleming