American pennyroyal

American Pennyroyal (Hedeoma pulegioides) is a species of pennyroyal native to North America. It is a member of the mint family (Lamiaceae) and is known for its strong minty aroma.

Description

American Pennyroyal is a small, annual herbaceous plant that typically grows to a height of 10-40 cm. The leaves are opposite, oblong to lanceolate, and have a pungent, mint-like smell. The flowers are small, pale blue to purple, and bloom in the late summer.

Distribution and Habitat

American Pennyroyal is native to North America, where it is found in the eastern and central regions of the United States and Canada. It grows in a variety of habitats, including dry fields, open woods, and prairies.

Uses

Historically, American Pennyroyal has been used for medicinal purposes. The plant contains a volatile oil, known as pulegone, which has been used in traditional medicine to treat a variety of ailments, including digestive problems, menstrual disorders, and respiratory illnesses. However, the safety and efficacy of these uses have not been scientifically proven, and the oil can be toxic if ingested in large amounts.

In addition to its medicinal uses, American Pennyroyal is also used as a culinary herb and as a natural insect repellent.

Conservation Status

While American Pennyroyal is not currently listed as threatened or endangered, its habitat is being lost due to urban development and agricultural expansion. Conservation efforts are needed to ensure the survival of this species.

See Also

• Pennyroyal
• Mint family
• Pulegone

References

• Flora of North America
• USDA Plants Database