Forked Blue Curls (Trichostema dichotomum) August 16, 2020 1616 × 1293 Forked Blue Curls (Trichostema dichotomum) Forked Blue Curls (Trichostema dichotomum). Lamiaceae family. Native. Grasslands, barrens, rocky outcrops. Throughout. Napeague, Long Island, September 2019.