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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
Perennial herbs
Morphology Stem
Stems weak, internodes elongate, strongly 4-angled with ciliate angles
Morphology Leaves
Leaves small, ovate-deltate, entire or weakly toothed, ciliate, ± sessile
Morphology Reproductive morphology Inflorescences
Inflorescence of verticillasters, with 1-3-flowered sessile cymes in axils of bracts
Morphology Reproductive morphology Inflorescences Bracts
Bracts leaf-like
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles inconspicuous, ciliate
Morphology Reproductive morphology Flowers Calyx
Calyx weakly 2-lipped, 5-lobed (3/2), lobes narrowly triangular, curved and slightly spreading, anterior lip often slightly shorter, tube cylindrical, 5-angled, 12-13-nerved, with 5 prominent, ciliate nerves, secondary nerves inconspicuous, tube glabrous
Morphology Reproductive morphology Flowers Corolla
Corolla deep pink to lilac or white, 2-lipped, 5-lobed (2/3), posterior lip shorter than anterior, flat, bilobed to emarginate, median anterior lobe much longer than laterals, tube cylindrical below, widening above, longer than limb
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2 (posterior pair absent), filaments glabrous, weakly curved and ascending under posterior corolla-lip
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Thecae widely separated and divaricate, connectives elongate
Morphology Reproductive morphology Flowers Disc
Disc symmetrical, weakly 4-lobed
Morphology Reproductive morphology Flowers Gynoecium Style
Style glabrous
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes unequal, posterior shorter
Morphology Reproductive morphology Fruits
Nutlets ovoid, brown, smooth, not mucilaginous when wetted.
Note
About four species
Distribution
Southern Brazil, Paraguay.
Ecology
Marshy ground.

Doubtfully present in:

Argentina Northeast

Native to:

Brazil South, Brazil Southeast, Paraguay

Hoehnea Epling appears in other Kew resources:

First published in Repert. Spec. Nov. Regni Veg. Beih. 115: 8 (1939)

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, Rep. Spec. Nov. Beih. 85: 130-132 (1936), rev. as Keithia.
  • 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
  • Hoehnea Epling, Rep. Spec. Nov. Beih. 115: 8 (1939)

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