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This genus is accepted, and its native range is S. Tropical America.
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
Weak-stemmed, often semi-scandent shrubs, aromatic, gynodioecious
Morphology Leaves
Leaves shallowly toothed to subentire
Morphology Reproductive morphology Inflorescences
Inflorescence of compound, congested, sometimes 2-3, often pedunculate cymes, in axils of bracts, upper cymes often forming a terminal, spiciform thyrse
Morphology Reproductive morphology Inflorescences Bracts
Bracts leaf-like, becoming reduced toward stem apex
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles inconspicuous
Morphology Reproductive morphology Flowers Calyx
Calyx cylindrical, ± actinomorphic, 5-lobed, lobes subulate to narrowly triangular, calyx-tube often externally long-pilose, 13(-12)-nerved, throat hairy
Morphology Reproductive morphology Flowers Corolla
Corolla white, or pale lilac, 2-lipped, 5-lobed (2/3), anterior lip with median lobe larger, corolla-tube hairy within, longer to shorter than calyx
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, shorter than corolla, slightly exserted from tube, thecae slightly divergent, distinct, connective slightly dilated
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes long, unequal, anterior longer
Morphology Reproductive morphology Flowers Disc
Disc symmetrical, reddish orange
Morphology Reproductive morphology Fruits
Nutlets ovoid, finely reticulate.
Note
2n = 46.  Probably less than twelve species. Species limits are poorly understood.
Ecology
Montane
Distribution
Andes from Venezuela to Argentina.

Native to:

Argentina Northeast, Argentina Northwest, Bolivia, Colombia, Ecuador, Peru, Venezuela

Minthostachys (Benth.) Spach appears in other Kew resources:

First published in Hist. Nat. Vég. 9: 164 (1840)

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.
  • Schmidt-Lebuhn, A.N. (2008). A revision of the genus Minthostachys (Labiatae) Memoirs of the New York Botanical Garden 98: 1-77.
  • Schmidt-Lebuhn, A.N. (2009). Las especias Bolivianas de Minthostachys (Lamiaceae) Revista de la Sociedad Boliviana de Botánica 4: 225-244.

Literature

Lamiaceae Key Genus Fact Sheets

  • Bystropogon sect. Minthostachys Benth. (1834).
  • Epling, Fedde Rep. Spec. Nov. Beih. 85: 162-168 (1936), 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
  • Minthostachys (Benth.) Spach, Hist. Veg. Phan. 9: 164 (1840)

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