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This genus is accepted, and its native range is Mexico, Brazil.
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 with simple or rarely branched hairs ( h. marifolia (schau.) epling)
Morphology Leaves
Leaves gland-dotted, entire or sometimes toothed
Morphology Reproductive morphology Inflorescences
Inflorescences of 1-3-flowered cymes, sessile or axillary in axils of bracts
Morphology Reproductive morphology Inflorescences Bracts
Bracts usually leaf-like
Morphology Reproductive morphology Flowers Calyx
Calyx weakly 2-lipped, 5-lobed (3/2), anterior lip longer than posterior, with deeper sinus between lobes, lobes deltoid-lanceolate or acuminate, not connivent, tube 13-15-nerved, annulate within shortly below lobes
Morphology Reproductive morphology Flowers Corolla
Corolla bluish purple, lilac, pink or rarely white, 2-lipped, 5-lobed (2/3), posterior lip weakly bilobed, erect, shorter to slightly longer than anterior lip, tube usually curved and widening broadly above (except in h. marifolia )
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2 (anterior pair usually absent), filaments slightly arcuate, ascending under posterior lip, thecae widely divaricate at 180°, distinct, connective strongly developed
Morphology Reproductive morphology Flowers Gynoecium Style
Style glabrous or rarely hairy
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes unequal, posterior shorter
Morphology Reproductive morphology Flowers Disc
Disc ± symmetrical
Morphology Reproductive morphology Fruits
Nutlets obovoid-oblong, dark brown, finely verrucose, slightly mucilaginous.
Note
2n = 44.  About eight species
Distribution
Southern Brazil and Mexico.

Native to:

Brazil South, Brazil Southeast

Hesperozygis Epling appears in other Kew resources:

First published in Repert. Spec. Nov. Regni Veg. Beih. 85: 132 (1936)

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

  • Epling & Stewart, Rep. Spec. Nov. Beih. 115: 12?14 (1939), rev.
  • 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
  • Hesperozygis Epling, Rep. Spec. Nov. Beih. 85: 132 (1936), rev. reg.

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