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This genus is accepted, and its native range is Madagascar.
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, some aromatic
Morphology Leaves
Leaves simple, opposite, falling before flowering, inflorescence thyrsoid with cymes sessile, bracteate, ebracteolate, 1-flowered
Morphology Reproductive morphology Inflorescences Bracts
Bracts soon deciduous, not coloured, inconspicuous
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles absent
Morphology Reproductive morphology Flowers Calyx
Calyx ± actinomorphic, funnel-shaped, straight, calyx teeth 5, lobes ± equal in flower, lanceolate; throat open, glabrous
Morphology Reproductive morphology Flowers Corolla
Corolla strongly two-lipped, 5-lobed (4/1), purple, posterior lip 4-lobed with median lobes ascending, lateral lobes held between the median lobes and the anterior lip, anterior lip deflexed or horizontal, slightly concave or flat; tube basally geniculate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, held just beyond throat, attached near throat
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma with short subulate or flattened lobes
Morphology Reproductive morphology Flowers Disc
Disc 4-lobed with anterior lobe larger, nutlets oblong, trigonous, apically winged.
Note
One species, M. magenteum Hedge
Distribution
Endemic to Madagascar
Ecology
In shade in dry woodland.

Native to:

Madagascar

Madlabium Hedge appears in other Kew resources:

First published in Fl. Madagasc. 175: 260 (1998)

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

  • 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
  • Madlabium Hedge in Hedge, Clement, Paton & Phillipson, Flore de Madagascar et des Comores 175: 260-263 (1998).

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