Corn Mint

Mentha haplocalyx
Perennial herb growing to 2 ft (60 cm). Corn mint has a square stem, toothed oval leaves, and whorls of pale lilac flowers growing from the leaf axils.
Corn mint was first mentioned in Grandfather Lei’s Discussion of Herb Preparation (c. AD 470). A 15th-century Chinese prescription recommended corn mint for bloody dysentery.

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