trichostema(n = noun.plant) genus trichostema - genus of North American aromatic herbs or subshrubs: blue curls;
is a kind of asterid dicot genus
is a member of family labiatae, family lamiaceae, labiatae, lamiaceae, mint family

genus trichostema, trichostema dichotomum, trichostema lanatum, trichostema lanceolatum