Biology:Pycnanthemum incanum
| Hoary mountainmint | |
|---|---|
| |
| Pycnanthemum incanum var. incanum[1] | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Pycnanthemum |
| Species: | P. incanum
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| Binomial name | |
| Pycnanthemum incanum (L.) Michx.
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| Synonyms[2] | |
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Pycnanthemum incanum, with the common name hoary mountainmint, "mountain mint", wild basil or hoary basil, is a herbaceous perennial in the mint family.[3][4]
Distribution
The plant is widespread across Eastern United States and into Ontario, Canada.[3][4][2][5] It prefers rocky, gravelly or sandy soil, and typically grows in woods, thickets, fields, and hills.[citation needed]
Conservation
It is listed as an endangered species in Vermont and New Hampshire, and in Ontario where there are only two remaining populations located within a single stretch of oak savanna near Burlington. There is currently a recovery strategy in place organized by the Ontario Ministry of Natural Resources to monitor these last populations.[6][7][8]
Description
Pycnanthemum incanum grows to 2 to 4 feet (0.6 to 1.2 m) high by 4 feet (1.2 m) wide. The stems are covered with a soft, whitish down. A vigorous and often aggressive grower, this plant spreads by long rhizomes.
White blooms appear from July to September. Pycnanthemum means "dense flower-clusters" in Greek, and the flowers are favored by butterflies, moths, honeybees, and some species of wasps.
Varieties
There are two varieties:[2][failed verification]
- Pycnanthemum incanum var. incanum - Ontario, eastern US
- Pycnanthemum incanum var. puberulum (E.Grant & Epling) Fernald - West Virginia, Alabama, North + South Carolina
Uses
When crushed, the leaves emit a strong minty aroma, and are often used to flavor teas.[citation needed]
Medicinal use
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This species contains tannin and is considered to be an astringent.
The Choctaw put the mashed leaves in warm water, which the patient drank, and which was poured over the head to relieve headaches. For patients who were sickly all the time, the leaves were mashed in water, the doctor took a mouthful of water, and blew it onto the patient, three times on the head, three times on the back, and three times on the chest. Before the next sunrise, the patient was bathed in the medicine.
The Koasati mashed the leaves in water, and used the water to treat laziness. The patient bathed his face in the cold water and drank it. For nosebleeds, the plant was wetted, and put up into the nostrils to stop the bleed. The roots were boiled along with Black Willow, and drunk to relieve headache.
It is considered to be a food source for large mammals, as well.
References
- ↑ illustration from Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 144.
- ↑ 2.0 2.1 2.2 Kew World Checklist of Selected Plant Families
- ↑ 3.0 3.1 "Pycnanthemum incanum". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=PYIN.
- ↑ 4.0 4.1 Germplasm Resources Information Network− GRIN-Global Web v 1.9.6.2: taxonomy of Pycnanthemum incanum
- ↑ Biota of North America Program 2013 county distribution map
- ↑ E-laws.gov.on.ca: Ontario Endangered Species Act of 1990
- ↑ Mnr.gov.on.ca: Pycnanthemum incanum
- ↑ Rom.on.ca/ontario: Pycnanthemum incanum
Bibliography
- Native American Ethnobotany Database: Pycnanthemum incanum (Hoary Mountainmint)
- Endangered Species Act of 1990, Ontario, Canada
- Darlington, William "Flora Cestrica", published by Lindsay and Blakiston, 1853
- Wood, Alphonso "A Class-book of Botany", published by Manufactering Co., 1851
- Gray, Asa "Gray's School and Field Book of Botany, published by Ivison, Blakeman, Taylor, & Company, 1879
- Elliot, William "The Washington Guide", published by F. Taylor, 1837
- Taylor, Lyda Averill "Plants Used As Curatives by Certain Southeastern Tribes", published by Botanical Museum of Harvard University, Cambridge, MA, 1940
- Mnr.gov.on.ca: Ontario Endangered species - Pycnanthemum incanum
- Rom.on.ca/ontario/risk: Pycnanthemum incanum
External links
- USDA Plants Profile for Pycnanthemum incanum (hoary mountainmint)
- Lady Bird Johnson Wildflower Center Native Plant Information Network-NPIN: Pycnanthemum incanum (Hoary mountain mint, Silverleaf mountain mint)
Wikidata ☰ Q7262900 entry
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