Skip to main content
This genus is accepted, and its native range is Ethiopia to S. Tropical Africa, Madagascar.
A specimen from Kew's Herbarium

[FTEA]

Acanthaceae (part 2), Kaj Vollesen. Flora of Tropical East Africa. 2008

Morphology General Habit
Strongly aromatic (unpleasantly or not depending on taste) perennial or shrubby herbs or shrubs; cystoliths usually conspicuous; stems quadrangular
Morphology Leaves
Leaves opposite
Morphology Reproductive morphology Flowers
Flowers pedicellate, solitary or in few- to many-flowered dichasia aggregated into terminal spiciform racemes or in contracted to open panicles; bracts leafy, gradually smaller towards apex of inflorescence; bracteoles conspicuous
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, divided almost to base or basal part fused; lobes linear to narrowly oblong or spathulate, subequal or dorsal wider and longer, two ventral sometimes fused slightly higher up. Corolla contorted in bud; sparsely puberulent outside, mainly on veins; basal part of tube cylindric widening into a clearly defined strongly pleated throat; limb distinctly 2-lipped, middle lobe in lower lip horizontal or deflexed, with usually numerous long stiff reflexed hairs, lobes in upper lip flat
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, inserted dorsally in throat and held under upper lip, slightly didynamous; filaments fused with tube and running like ridges to base of tube, free part of filaments of each pair fused at base; anthers 2-thecous, thecae oblong or ellipsoid, straight, of different length, rounded at apex, all thecae with long spurs or apiculate at base, or only one of the locules (longer) spurred and the other rounded
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with (2–)4–6 ovules per locule.
Morphology Reproductive morphology Flowers Gynoecium Style
Style hairy throughout or glabrous near apex, with one (ventral) linear stigma-lobe, the dorsal reduced (rarely with subequal lobes)
Morphology Reproductive morphology Fruits
Capsule with more than 4 seeds (rarely 2-seeded), ellipsoid (rarely ovoid-ellipsoid), thin-walled (rarely woody), glossy, valves sulcate dorsally; retinaculae strong, hooked
Morphology Reproductive morphology Seeds
Seed discoid, faces glabrous or with hairs, edges with dense long hygroscopic hairs.
Distribution
Range: 7 species in Central, Eastern and Southern Tropical Africa.

Native to:

Burundi, Central African Repu, Ethiopia, Madagascar, Malawi, Mozambique, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Mellera S.Moore appears in other Kew resources:

First published in J. Bot. 17: 225 (1879)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Flora of Tropical East Africa

  • E. & P. Pf. IV, 3b: 297 (1895)
  • F.T.A. 5: 50 (1899)
  • J.B. 17: 225 (1879)
  • J.B. 32: 133 (1894)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/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