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Mentha arvensis, the corn mint, field mint, or wild mint, is a species of flowering plant in the Mentha family Lamiaceae. It has a circumboreal distribution, being native to the temperate regions of Europe and western and central Asia, east to the Himalaya and eastern Siberia, and North America. Mentha canadensis, the related species, is also included in Mentha arvensis by some authors as two varieties, M. arvensis var. glabrata Fernald (North American plants such as American Wild Mint) and M. arvensis var. piperascens Malinv. ex L. H. Bailey (eastern Asian plants such as Japanese mint).
It grows in moist places, especially along streams.
The leaf are in opposite pairs, simple, long and broad, hairy, and with a coarsely serrated margin.
The are pale purple (occasionally white or pink), in whorls on the stem at the bases of the leaves. Each flower is long and has a five-lobed hairy calyx, a four-lobed corolla with the uppermost lobe larger than the others and four stamens. The fruit is a two-chambered carpel.
The related species Mentha canadensis is also included in M. arvensis by some authors as two varieties, M. arvensis var. glabrata Fernald (in reference to North American plants) and M. arvensis var. piperascens Malinv. ex L. H. Bailey (in reference to eastern Asian plants).
Chemical substances that can be extracted from wild mint include menthol, menthone, Menthone, neomenthol, limonene, methyl acetate, piperitone, Caryophyllene, alpha-pinene, beta-pinene, and . Mint extracts and menthol-related chemicals are used in food, drinks, cough medicines, creams and cigarettes. Menthol is widely used in dental care, as a mouthwash potentially inhibiting streptococci and lactobacilli bacteria.
(1989). 9780340401705 ISBN 9780340401705 (1992). 9780333474945, Macmillan. ISBN 9780333474945.
Subspecies
Subspecies include:
Uses
The leaves have been made into tea to treat colds or aid digestion. They can also be eaten raw.
Diseases
Two main diseases that can significantly damage Japanese mint ( M. arvensis var. piperascens) and its yield are the rust fungus and the mildew attacks.Sievers, A. F., & Lowman, M. S. (1933). Commercial possibilities of Japanese mint in the United States as a source of natural menthol (No. 378). US Dept. of Agriculture. Mildew attacks usually only occur on the west coast of United States where the weather can be foggy and humid, a condition that attracts mildew. Rust fungus is a disease that is common for most of the Mentha plants such as peppermint and spearmint. These diseases are flagged due to the improbability of controlling once it starts in a mint farm. They are typically cut immediately when discovered to help reduce the probability of contaminating the rest of the plant leaves.
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