Hedeoma
 Hedeoma is a genus of flowering plants in the mint family Lamiaceae. It consists of around 38 species that are native to North and South America. They are commonly known as false pennyroyals. The genus name is derived from the Greek words ἡδύς (hedys) meaning sweet and ὀσμή (osme) meaning odour. It refers to the scent of the leaves. Hedeoma patens M.E. Jones (common name oregano chiquito) is used by natives of northwestern Mexico to flavor various food items.