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This genus is accepted, and its native range is 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
Shrubs, subshrubs and perennial herbs
Morphology Leaves
Leaves usually alternate (occasionally opposite), sessile or short-petiolate, oblanceolate to obovate or elliptical, variously toothed to repand (rarely entire)
Morphology Reproductive morphology Inflorescences
Inflorescence a terminal thyrse or raceme
Morphology Reproductive morphology Inflorescences Bracts
Bracts brightly coloured, red to purple or yellow
Morphology Reproductive morphology Flowers Calyx
Calyx bright red or purple, actinomorphic, accrescent or not, 5-lobed
Morphology Reproductive morphology Flowers Corolla
Corolla yellow to white, subactinomorphic to weakly zygomorphic, 5-lobed, anterior lobe usually largest
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, exserted, filaments straight or upcurved (probably varying with stage of anthesis), anthers versatile, thecae parallel, separate at dehiscence
Morphology Reproductive morphology Flowers Pollen
Pollen with supratectal spinules
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary unlobed
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma lobes subequal to unequal
Morphology Reproductive morphology Flowers Disc
Disc absent
Morphology Reproductive morphology Fruits
Fruit drupaceous with four 1-seeded pyrenes; endosperm absent.
Note
Eight species of northern and central South America.
Distribution
Native to: Caribbean, Northern South America, Western South America, Brazil and Southern South America

Native to:

Bolivia, Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central, Colombia, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad-Tobago, Venezuela

Amasonia L.f. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jun 30, 2005 Jesus, N.G. [829], Brazil K001218597

First published in Suppl. Pl.: 48 (1782)

Accepted by

  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. 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

  • Amasonia L. f., Suppl. Pl. 48: 294 (1782), nom. cons
  • Diphystema Neck., Elem. Bot. 1: 382 (1790), opus utique oppr.
  • 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
  • Moldenke, Feddes Repert. Spec. Nov. Regni Veg. 46: 193-228 (1939).
  • Taligalea Aubl., Hist. Pl. Guiane 2: 625 (1775). nom. rejic.

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

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