ˌtrikəˈstēmə, trə̇ˈkästəmə noun
Usage: capitalized
Etymology: New Latin, from trich- + Greek stēma stamen, from stēmōn thread — more at stamen
: a genus of No. American herbs or undershrubs (family Labiatae) having axillary whorls of small blue flowers with four exserted stamens and a deeply lobed ovary — see black sage , blue curls