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This genus is accepted, and its native range is Mexico to Tropical America, Tropical Africa, Comoros, Madagascar.
A specimen from Kew's Herbarium


Acanthaceae (part 1), Kaj Vollesen, Flora of Tropical East Africa, 2008

Morphology General Habit
Erect or scandent shrubs or woody twiners; cystoliths absent.
Morphology Leaves
Leaves opposite, entire.
Morphology Reproductive morphology Flowers
Flowers solitary or in axillary fascicles or on old branches; bracteoles 2, large, bract-like.
Morphology Reproductive morphology Flowers Calyx
Calyx a narrow undulate rim or shallowly 5-lobed.
Morphology Reproductive morphology Flowers Corolla
Corolla contorted in bud, tubular, subcylindric below, widening above with 5 small rounded lobes, all spreading or two upper broader and reflexed.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, all included or 2 longer exserted; anthers 2-thecous, thecae slightly unequal, slightly diverging below, apiculate at apex, opening by short apical slits.
Morphology Reproductive morphology Flowers Disc
Disc conspicuous, annular, fleshy.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary becoming 1-locular (of 2 fused locules), 2-ovulate; ovules ascending from the base but affixed by ventral suture nearly to apex; stigma funnel-shaped, slightly 2-lobed.
Morphology Reproductive morphology Fruits
Fruit an indehiscent 1–2-seeded drupe; retinacula absent.
Morphology Reproductive morphology Seeds
Seed with thick stony exocarp.
Range: 60–70 species in tropical America, 4 species in tropical Africa and 3 species in Madagascar.

Native to:

Angola, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cameroon, Central African Repu, Colombia, Comoros, Congo, Costa Rica, Ecuador, Equatorial Guinea, French Guiana, Gabon, Ghana, Guatemala, Guinea, Gulf of Guinea Is., Guyana, Honduras, Ivory Coast, Kenya, Liberia, Madagascar, Mexico Gulf, Mexico Southeast, Mexico Southwest, Nicaragua, Panamá, Paraguay, Peru, Sierra Leone, Sudan, Suriname, Tanzania, Trinidad-Tobago, Uganda, Venezuela, Zaïre

Extinct in:


Mendoncia Vell. ex Vand. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Oct 1, 2013 Plot Voucher [B 187], Cameroon K000749699
Cable, S. [3884], Cameroon 61722.000
Etuge, M. [2769], Cameroon 63291.000
Etuge, M. [2769], Cameroon 63795.000
Etuge, M., Cameroon 63851.000
Krukoff, B.A. [5574], Brazil K001032364
Krukoff, B.A. [8289], Brazil K001032372
Krukoff, B.A. [8441], Brazil K001032371
Krukoff, B.A. [5574], Brazil K001032369
Krukoff, B.A. [8289], Brazil K001032368
Lleras, E. [16598], Brazil K001032367
Santos, R.R. [1480], Brazil K001032366
Santos, R.R. [1807], Brazil K001032365
Steward, W.C. [12758], Brazil K001032370

First published in Fl. Lusit. Bras. Spec.: 43 (1788)

Accepted by

  • Magnaghi, E.B. & Daniel, T.F. (2017). Systematics of Mendoncia (Acanthaceae: Thubergioideae) in the Paleotropics Proceedings of the California Academy of Sciences, ser. 4, 64: 37-94.


Flora of West Tropical Africa

  • Benoist in Bull. Mus. Hist. Nat. 31: 386 (1925), Notulae Syst. 11: 139 (1944).
  • Fl. Lusit. 43, t. 3, f. 22 (1788)

Flora of Tropical East Africa

  • Bull. Mus. Hist. Nat. 31: 386 (1925)
  • DC., Prodr. 11: 50 (1847)
  • Fl. Lusit. & Bras.: 43, t. 3, fig. 22 (1788)
  • G.P. 2: 1072 (1876)
  • Int. J. Plant Sci. 159: 446 (1998)
  • Notul. Syst. 11: 139 (1944)

Flora of Tropical East Africa
Flora of Tropical East Africa

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 World Checklist of Selected Plant Families.

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.