
Photo: Murray Fagg, CC BY 3.0 au (via Wikimedia Commons)
Broad-Leaved Peppermint (Eucalyptus)
Eucalyptus dives
Also known as Peppermint Gum, Peppermint Eucalyptus, Broad-Leaved Peppermint Gum
Key benefits
✦Traditional uses
✦Long before European settlement, Aboriginal Australians used the leaves of various eucalypts, including this peppermint-scented species, as a wash for wounds and a steam for easing chest and sinus complaints. Colonial settlers took up the practice eagerly, and by the nineteenth century the aromatic, camphor-like leaf had become a household standby for winter colds. Eucalyptus dives later took on a second life in industry, prized above other eucalypts for its high piperitone content, which chemists found useful as a stepping stone to other valuable compounds. Its everyday folk use, though, has always stayed close to the same simple idea, hot steam and fragrant leaves to help clear a heavy head.
How to grow & use it
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- ✦Peppermint
- ✦Thyme
- ✦Rosemary
- ✦Eucalyptus globulus
- ✦Peppermint
“When a chest cold has settled in and the air itself seems to need clearing.”
During the Second World War, the piperitone-rich oil distilled from Eucalyptus dives leaves became an important industrial starting material for synthesizing menthol and, later, cortisone, work that made this particular eucalyptus far more valuable to chemists than to perfumers.
Eucalyptus essential oil is toxic if swallowed, even a teaspoon has caused serious poisoning in children, so never take it internally and keep it away from kids. Do not apply undiluted oil to skin, and avoid steam or oil preparations for infants and young children because of the risk of breathing spasms.