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This genus is accepted, and its native range is Brazil to Argentina.
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
Small shrubs or subshrubs, often geoxylic, aromatic
Morphology Leaves
Leaves elliptic to ovate-spathulate, subentire
Morphology Reproductive morphology Inflorescences
Inflorescence of verticillasters, with sessile cymes 1-3-flowered in axils of bracts, often crowded towards shoot apices
Morphology Reproductive morphology Inflorescences Bracts
Bracts leaf-like
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles inconspicuous
Morphology Reproductive morphology Flowers Calyx
Calyx weakly 2-lipped to ± actinomorphic, 5-lobed (3/2), lobes subequal, often spreading, broadly to narrowly triangular, often irregularly aristate, anterior lobes sometimes longer than posterior, tube 13-15-nerved, infundibular-cylindrical, throat annul
Morphology Reproductive morphology Flowers Corolla
Corolla white or pink, 2-lipped, 4-5-lobed (1-2/3), posterior lip entire or often emarginate, hooded, often weakly falcate, longer than or subequal to anterior lip, tube often shorter than limb, abruptly widening above, exserted from calyx-tube and usuall
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2, posterior pair absent, filaments strongly arcuate-ascending under posterior corolla lip, often with small hairy appendage at base and obscurely toothed at apex, thecae divergent to widely divaricate, distinct, connective well-developed
Morphology Reproductive morphology Flowers Disc
Disc symmetrical
Morphology Reproductive morphology Flowers Gynoecium Style
Style glabrous
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes unequal, posterior shorter.  nutlets ovoid-oblong, smooth, mucilaginous.
Note
About six or seven species. Epling (1936) recognized three sections, based mainly on vegetative characters.
Distribution
From Southern Brazil, Paraguay, Uruguay and Northern Argentina.
Ecology
Open, damp areas.

Native to:

Argentina Northeast, Brazil South, Brazil Southeast, Paraguay, Uruguay

Glechon Spreng. appears in other Kew resources:

First published in Syst. Veg. ed. 16, 4(2): 227 (1827)

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: 1-49 (1939).
  • Epling, Rep. Spec. Nov. Beih. 85: 142-145 (1936), rev.
  • Glechon Spreng., Syst. Veg. 4 (2): 222, 227 (1827)
  • 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