pennyroyal

A Eurasian mint (Mentha pulegium) having small lilac-blue flowers and ovate or nearly orbicular leaves that yield an essential oil formerly used medicinally and as an insect repellent.

An aromatic eastern North American mint (Hedeoma pulegioides) having purple-blue flowers and lanceolate to ovate leaves that yield a similar essential oil.

A much-branched prostrate perennial herb, Mentha Pulegium, of Europe and western Asia.

A plant of the genus Hedeoma; the American pennyroyal. See Hedeoma, and oil of hedeoma (under oil).

An aromatic herb (Mentha Pulegium) of Europe; also, a North American plant (Hedeoma pulegioides) resembling it in flavor.

See Blue curls, under Blue.

A plant of the mint family, Mentha pulegium, formerly much used in various medicinal treatments and as a flea repellant.

erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine

Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil