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Definition of American pennyroyal
1. Noun. Erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine.
Generic synonyms: Herb, Herbaceous Plant
Group relationships: Genus Hedeoma, Hedeoma
Terms within: Hedeoma Oil, Pennyroyal Oil
Lexicographical Neighbors of American Pennyroyal
Literary usage of American pennyroyal
Below you will find example usage of this term as found in modern and/or classical literature:
1. Cyclopedia of American Horticulture: Comprising Suggestions for Cultivation by Liberty Hyde Bailey, Wilhelm Miller (1900)
"American pennyroyal. This is a plant of no ornamental value, but the seeds ...
American pennyroyal. Annual, 6-18 in. high: stem very slender, much branched ..."
2. Pharmaceutical and Food Analysis: A Manual of Standard Methods for the by Azor Thurston (1922)
"BARROWCLIFF, M.—The Constituents of the Essential Oil of American pennyroyal.
Occurrence of a Dextro-Menthone. J. Chem. Soc., T., 1907, 91, 875-887. ..."
3. A Manual of materia medica and pharmacology: Comprising All Organic and by David Marvel Reynolds Culbreth (1906)
"American pennyroyal, Pennyroyal, Squaw Mint, Tick or Thick Weed, Stinking Balm ; Kr.
Herbe de Pouliot ... (Syn., Oil of American pennyroyal ; Fr. Essence de ..."
4. Useful Wild Plants of the United States and Canada by Charles Francis Saunders (1920)
"fields pretty much throughout the United States east of the Mississippi and called
American pennyroyal (Hedeoma pulegioides, Pers.). ..."
5. A Practical Treatise on Animal and Vegetable Fats and Oils: Comprising Both by William Theodore Brannt, Karl Schaedler (1896)
"American pennyroyal oil has a neutral reaction, is readily soluble in alcohol,
and dissolves iodine with a brisk explosive reaction, yielding a viscous ..."
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