Hedeoma drummondii (Drummond's False Pennyroyal) is a species of annualherb in the family Lamiaceae. They are native to The Contiguous United States and South America.
Definition: Of plant duration, a plant whose life span ends within one year after germination, e.g. a winter annual germinating in the autumn and flowering in the spring (esp. in Mediterranean climates), approximately synonymous to therophyte, c.f. biennial, ephemeral, perennial, c.f. also of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic.