Hedeoma

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]

Clade:Tracheophytes

Clade:Angiosperms

Clade:Eudicots

Clade:Asterids

Quick facts False pennyroyals, Scientific classification ...

False pennyroyals
Hedeoma nana, Mohave Desert
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Lamiaceae
Subfamily:	Nepetoideae
Tribe:	Mentheae
Genus:	Hedeoma Pers.
Synonyms[1]
Pseudocunila Brade

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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]

Species^[2]

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