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This genus is accepted, and its native range is S. U.S.A. to Mexico.
A specimen from Kew's Herbarium

[LKGF]

Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

Morphology General Habit
Shrubs or subshrubs, aromatic
Morphology Stem
Stems numerous, glabrate to densely canescent, with simple or rarely dendroid hairs
Morphology Leaves
Leaves entire or toothed, glandular-punctate
Morphology Reproductive morphology Inflorescences
Inflorescence of 3-7-flowered, pedunculate to subsessile cymes, or flowers rarely solitary, in axils of bracts
Morphology Reproductive morphology Inflorescences Bracts
Bracts leaf-like
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles inconspicuous
Morphology Reproductive morphology Flowers Calyx
Calyx ± actinomorphic and subequally 5-lobed, or 2-lipped (3/2) with lobes unequal, posterior free or connate, triangular, anterior usually narrower and longer, lobes connivent after anthesis, tube 13-15-nerved, cylindrical, straight, not saccate, throat
Morphology Reproductive morphology Flowers Corolla
Corolla lilac or orange to red, 10-35 mm long, 2-lipped (2/3), posterior lip emarginate, hooded or flat, anterior lip spreading, median lobe often larger, tube short to elongate, straight, ± annulate within
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2 fertile, posterior pair staminodal, anterior pair ascending under posterior corolla lip, included to ± exserted, thecae widely divaricate, distinct, connective well-developed
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes unequal, ± subulate, anterior lobe longer
Morphology Reproductive morphology Flowers Disc
Disc symmetrical
Morphology Reproductive morphology Fruits
Nutlets oblong, over 1.5 mm long, smooth, not mucilaginous.
Note
2n = 36.  Seven species Irving (1972) recognizes two sections: sect Poliomintha, with tomentose, linear-oblong leaves, calyx usually 15-nerved, 3-4 mm long and annulate within; and sect. Saturejoides Irving, with canescent to glabrate, ovate to elliptic l
Distribution
Southwestern United States, Northern Mexico, Haiti.
Ecology
Open, submontane or lowland, often xeric habitats.

Native to:

Arizona, Colorado, Haiti, Mexico Northeast, Mexico Northwest, New Mexico, Texas, Utah

Extinct in:

California

Poliomintha A.Gray appears in other Kew resources:

First published in Proc. Amer. Acad. Arts 8: 295 (1873)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Lamiaceae Key Genus Fact Sheets

  • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp
  • Hedeoma sect. Poliomintha Briq. (1897).
  • Irving, Sida 5(1): 8-22 (1972), rev.
  • Poliomintha A. Gray, Proc. Am. Acad. 8: 295 (1870)

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Lamiaceae Key Genus Fact Sheets
Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
http://creativecommons.org/licenses/by/3.0