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This genus is accepted, and its native range is W. & Central Asia.
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
Annual herb, subglabrous or very sparsely pubescent with simple hairs
Morphology Leaves
Leaves petiolate, spinescent-aristate
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid, with up to 3-flowered cymes
Morphology Reproductive morphology Flowers Calyx
Calyx weakly 2-lipped, 5-lobed (3/2), lobes spinose
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped, 5-lobed (1-2/3), purple, posterior lip long, flat or shallowly hooded, anterior lip deflexed, tube very long, straight, floccose-villous within at throat
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens not exserted, filaments pubescent, thecae weakly distinct
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma lobes subequal
Morphology Reproductive morphology Fruits
Nutlets oblong, rounded at apex, smooth, narrowly membranous-winged.
Distribution
One species, C. ilicifolius Schrenk. Sandy areas, Iran to Kazakhstan and Western China (Xinjiang).

Native to:

Afghanistan, Iran, Kazakhstan, Tadzhikistan, Turkmenistan, Uzbekistan, Xinjiang

Chamaesphacos Schrenk ex Fisch. & C.A.Mey. appears in other Kew resources:

First published in Enum. Pl. Nov. 1: 27 (1841)

Accepted by

  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • 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

  • Chamaesphacos Schrenk ex Fisch. & C.A. Mey., Enum. Pl. Schrenk. 1:27 (1841).
  • 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

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