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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Lamiales

Familia: Lamiaceae
Subfamilia: Nepetoideae
Tribus: Mentheae
Subtribus: Menthinae
Genus: Hedeoma
Overview of species

H. acinoides - H. apiculata – H. bella – H. chihuahuensis – H. ciliolata – H. costata – H. dentata – H. diffusa – H. drummondii – H. floribunda – H. hispida – H. hyssopifolia – H. irvingii – H. johnstonii – H. jucunda – H. mandoniana – H. martirensis – H. matomianum – H. medium – H. microphylla – H. mollis – H. montana – H. multiflora – H. nana – H. oblatifolia – H. oblongifolia – H. palmeri – H. patens – H. patrina – H. pilosa – H. piperita – H. plicata – H. polygalifolia – H. pulcherrima – H. pulegioides – H. pusilla – H. quercetora – H. reverchonii – H. rzedowskii – H. tenuiflora – H. tenuipes – H. todsenii

Nothospecies: H. × serpyllifolia

Hedeoma Pers., Syn. Pl. 2: 131 (1806)
Type species: Hedeoma pulegioides (L.) Pers., Syn. Pl. 2: 131 (1806)


Pseudocunila Brade, Rodriguésia 7(16): 27 (1944)


Persoon, C.H. (1806) Synopsis Plantarum 2(1): 131.
Govaerts, R. et al. 2014. Hedeoma in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2014 June 26. Reference page. 2014. Hedeoma. Missouri Botanical Garden. Published on the internet. Accessed: 2014 June 26.
International Plant Names Index. 2014. Hedeoma. Published online. Accessed: June 26 2014.

Hedeoma is a genus of flowering plants in the mint family, Lamiaceae. It is native to North and South America. They are commonly known as false pennyroyals.[2][3][4]

The genus name is derived from the Greek words ἡδύς (hedys), meaning "sweet," and ὀσμή (osme), meaning "odour". It refers to the scent of the leaves.[5] Hedeoma patens M.E. Jones (common name, oregano chiquito) is used by natives of northwestern Mexico to flavor various food items.[6][7][8]


Hedeoma acinoides Scheele – Slender false pennyroyal - Texas, Oklahoma, Coahuila
Hedeoma apiculata W.S.Stewart – McKittrick's false pennyroyal - western Texas, southeastern New Mexico
Hedeoma bella (Epling) R.S.Irving - Jalisco
Hedeoma chihuahuensis (Henrard) B.L.Turner - Chihuahua
Hedeoma ciliolata (Epling & W.S.Stewart) R.S.Irving - Gypsum false pennyroyal - Nuevo León
Hedeoma costata Hemsl. – Ribbed false pennyroyal - Mexico, Guatemala, Texas, Arizona, New Mexico
Hedeoma crenata R.S.Irving - Rio de Janeiro
Hedeoma dentata Torr. – Dentate false pennyroyal - Arizona, Sonora, New Mexico
Hedeoma diffusa Greene – Spreading (or Flagstaff) false pennyroyal - Nevada, Arizona
Hedeoma drummondii Benth. – Drummond's false pennyroyal - western United States, Alabama, Mississippi, Nuevo León, Coahuila, Chihuahua, Sonora
Hedeoma floribunda Standl. - Chihuahua
Hedeoma hispida Pursh – Rough false pennyroyal - Canada, central + eastern United States (especially the Great Plains)
Hedeoma hyssopifolia A.Gray – Aromatic false pennyroyal - northern Mexico, New Mexico, Arizona
Hedeoma johnstonii R.S.Irving - Coahuila
Hedeoma jucunda Greene - Durango
Hedeoma mandoniana Wedd. - Peru, Bolivia, Jujuy Province of Argentina
Hedeoma martirensis Moran - Baja California
Hedeoma matomianum Moran - Baja California
Hedeoma medium Epling - Argentina, Uruguay
Hedeoma microphylla R.S.Irving - San Luis Potosí
Hedeoma mollis Torr. – Softhair false pennyroyal - western Texas
Hedeoma montana Brandegee - Coahuila
Hedeoma multiflora Benth - Argentina, Uruguay, southern Brazil
Hedeoma nana (Torr.) Briq. – Dwarf false pennyroyal - Chihuahua, Texas, New Mexico, Arizona, Utah, Nevada, Mohave Desert in California
Hedeoma oblatifolia Villarreal - Coahuila
Hedeoma oblongifolia (A.Gray) A.Heller – Oblongleaf false pennyroyal - Chihuahua, Sonora, New Mexico, Arizona
Hedeoma palmeri Hemsl. - San Luis Potosí, Nuevo León, Coahuila
Hedeoma patens M.E. Jones –oregano chiquito - Chihuahua, Coahuila
Hedeoma patrina W.S.Stewart - Zacatecas
†Hedeoma pilosa R.S.Irving – Old blue false pennyroyal - Brewster County in Texas but apparently extinct
Hedeoma piperita Benth. - Hidalgo, México State
Hedeoma plicata Torr. – Veiny false pennyroyal - Texas, Arizona, New Mexico, northern Mexico
Hedeoma polygalifolia Benth. - southern Brazil
Hedeoma pulcherrima Wooton & Standl. – White Mountain false pennyroyal - New Mexico
Hedeoma pulegioides (L.) Pers. – American false pennyroyal - eastern Canada, central + eastern United States
Hedeoma pusilla (R.S.Irving) R.S.Irving - Nuevo León
Hedeoma quercetora Epling - Nuevo León
Hedeoma reverchonii (A.Gray) A.Gray – Reverchon's false pennyroyal - southern Great Plains (Texas, Oklahoma, western Arkansas)
Hedeoma rzedowskii B.L.Turner - Aguascalientes, San Luis Potosí
Hedeoma × serpyllifolia Small - Texas, New Mexico
Hedeoma tenuiflora Brandegee - Baja California
Hedeoma tenuipes Epling - northeastern Mexico
Hedeoma todsenii R.S.Irving – Todsen's false pennyroyal - New Mexico

Formerly placed here

Clinopodium glabrum (Nutt.) Kuntze (as H. arkansana Nutt.)
Poliomintha incana (Torr.) A.Gray (as H. incana Torr.)


"Genus: Hedeoma Pers". Germplasm Resources Information Network. United States Department of Agriculture. 2004-09-10. Retrieved 2013-05-26.
Kew World Checklist of Selected Plant Families
"Hedeoma". Integrated Taxonomic Information System. Retrieved 2013-05-26.
Biota of North America Program 2013 county distribution maps
DeBaggio, Thomas; Arthur O. Tucker (2009). The Encyclopedia of Herbs: A Comprehensive Reference to Herbs of Flavor and Fragrance. Timber Press. p. 250. ISBN 978-0-88192-994-2.
Laferriere, Joseph E. 1991. Optimal use of ethnobotanical resources by the Mountain Pima of Chihuahua, Mexico. PhD dissertation, University of Arizona
Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera. 2012. Rubiaceae a Verbenaceae. 4(2): i–xvi, 1–533. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Flora Mesoamericana. Missouri Botanical Garden Press, St. Louis
Forzza, R. C. 2010. Lista de espécies Flora do Brasil "Archived copy". Archived from the original on 2015-09-06. Retrieved 2015-08-20.. Jardim Botânico do Rio de Janeiro, Rio de Janeiro

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