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This genus is accepted, and its native range is W. Central Tropical Africa to Uganda and Zambia.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Perennial or shrubby herbs without cystoliths.
Morphology Leaves
Leaves opposite or in whorls, with scattered peltate subsessile orange glands beneath.
Morphology Reproductive morphology Flowers
Flowers one per bract, alternate, in terminal lax or dense racemoid cymes, pedicellate; bracts fused to the pedicel, persistent, 3-veined from base; bracteoles similar to the larger sepals, inserted on base of calyx and covering the lateral sepals.
Morphology Reproductive morphology Flowers Calyx
Calyx deeply divided into 5 unequal sepals, two lateral small, hyaline, 1-veined, dorsal and two ventral herbaceous, 3-veined.
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped; tube linear, broadening gradually upwards or abruptly campanulate; upper lip flat or ± hooded, entire or emarginate, lower deeply 3-lobed with two narrow lateral lobes and broad rounded central lobe with 2–4 bosses at base.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, inserted deep in the tube, included or shortly exserted; filaments linear; anthers 2-thecous, thecae elliptic, with small apiculus at base, divergent, inserted at same height on a broad connective; staminode absent.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2-locular, with 6–8 ovules per locule; style linear; stigma deeply 2-lobed with 2 linear lobes, or lower lobe reduced, the upper lobe bifid.
Morphology Reproductive morphology Fruits
Capsule sessile, oblong-triangular, obtuse, glabrous, apical part sterile and ± recurved when mature; retinaculae papilliform, unindurated.
Morphology Reproductive morphology Seeds
Seed black, ovoid, flattened, rugose, with a hilar excavation.
Distribution
Range: 3 species in Central Tropical Africa.

Native to:

Burundi, Central African Repu, Congo, Gabon, Rwanda, Tanzania, Uganda, Zambia, Zaïre

Anisosepalum E.Hossain appears in other Kew resources:

First published in Notes Roy. Bot. Gard. Edinburgh 31: 377 (1972)

Accepted by

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

Literature

Flora of Tropical East Africa

  • B.J.B.B. 61: 127 (1991)
  • Not. Roy. Bot. Gard. Edinb. 31: 377 (1972)

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