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This genus is accepted, and its native range is Gabon to Tanzania and S. Tropical Africa, Madagascar.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Scandent shrubs or woody twiners with stellate indumentum; cystoliths absent.
Morphology Leaves
Leaves opposite, entire or crenate.
Morphology Reproductive morphology Flowers
Flowers solitary or in fascicles merging into terminal pseudoracemes; bracteoles 2, large, bract-like, coriaceous, connate for 2/3 of their length.
Morphology Reproductive morphology Flowers Calyx
Calyx an undulate rim or irregularly lobed or toothed.
Morphology Reproductive morphology Flowers Corolla
Corolla contorted in bud, tube cylindric; limb indistinctly 2-lipped, upper lip 2-fid, lower 3-fid.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, included in tube and inserted near middle, subsessile, sometimes also a staminode present; anthers 2-thecous, hairy or glabrous, thecae oblong-linear, sagittate at base, opening by apical pores.
Morphology Reproductive morphology Flowers Disc
Disc conspicuous, annular, fleshy.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2-locular, 2 ovules per locule; stigma 2-lobed.
Morphology Reproductive morphology Fruits
Fruit a woody thick-walled tardily dehiscent 4-seeded capsule without or with a short poorly defined beak; retinacula absent.
Morphology Reproductive morphology Seeds
Seed subglobose with a large scar on one side.
Note
6 species.
Distribution
Range: The others in Liberia, Gabon (3 species) and Congo.

Native to:

Angola, Gabon, Madagascar, Mozambique, Tanzania, Zambia, Zaïre, Zimbabwe

Pseudocalyx Radlk. appears in other Kew resources:

First published in Abh. Naturwiss. Vereine Bremen 8: 416 (1883)

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

  • Abh. Naturw. Verein. Bremen 8: 416 (1883)
  • Adansonia, ser. 3, 20: 271 (1998)
  • Baillon, Hist. Pl. 10: 423 (1890)
  • Int. J. Plant Sci. 159: 446 (1998)
  • K.B. 49: 809 (1994)
  • Notul. Syst. 11: 138, 149 (1944)
  • Syst. Geogr. Pl. 69: 199 (1999)

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