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This genus is accepted, and its native range is Guinea, NE. Tropical Africa to Kenya.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Shrubby herbs or shrubs; stems and leaves with scattered to dense subsessile peltate scale-like glands; cystoliths conspicuous
Morphology Leaves
Leaves opposite, entire
Morphology Reproductive morphology Flowers
Flowers solitary, axillary; bracts like vegetative leaves; bracteoles persistent
Morphology Reproductive morphology Flowers Calyx
Calyx large, inflated, longitudinally 5-ribbed or almost winged, shortly 5-lobed, with peltate scales
Morphology Reproductive morphology Flowers Corolla
Corolla hairy and with peltate scales, contorted in bud, subactinomorphic to distinctly 2-lipped; cylindric part of tube short or long, throat long; lobes 5, spreading or reflexed, subequal or middle in lower lip reduced to a tooth
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, subequal or didynamous, inserted at base of throat, exserted or included in throat; free part of filaments fused at base and running like two ridges to base of tube; anthers 2-thecous, thecae linear-oblong, rounded at base and apex, no spurs
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with 2 ovules per locule.
Morphology Reproductive morphology Flowers Gynoecium Style
Style filiform, hairy throughout; dorsal stigma lobe reduced to a small tooth, ventral lobe large linear, flattened
Morphology Reproductive morphology Fruits
Capsule 4-seeded, clavate, glabrous; retinaculae strong, straight. Seed discoid, densely covered with thick clavate to almost globose hairs and with peltate scales
Note
4 species in tropical Africa north of the Equator. One disjunct between Guinea and the border regions between Sudan and NW Ethiopia and three in the Horn of Africa.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Shrubs, aromatic, with scale-like glands
Morphology Leaves
Leaves opposite, entire
Morphology Reproductive morphology Flowers
Flowers solitary in leaf-axils, large; bracteoles linear
Morphology Reproductive morphology Flowers Calyx
Calyx tubular, shortly 5-lobed, the sepals keeled on the back, loosely united and splitting by age
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped to subequally 5-lobed; tube cylindrical
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, included or exserted, pairwise united towards the base; anthers 2-celled, without spurs
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2-celled, with 2 ovules in each cell; style practically 1-lobed, with upper lobe very short or obsolete
Morphology Reproductive morphology Fruits
Capsule elongate, enclosed by calyx
Morphology Reproductive morphology Seeds
Seeds flattened, rough.
Distribution
Four species in tropical Africa.

Native to:

Ethiopia, Guinea, Kenya, Somalia, Sudan

Satanocrater Schweinf. appears in other Kew resources:

First published in Verh. K. K. Zool.-Bot. Ges. Wien 18: 676 (1868)

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 West Tropical Africa

  • —F.T.A. 5: 68.

Flora of Somalia

  • Flora Somalia, (2000) Author: by M. Thulin [updated by M. Thulin 2008]
  • Thulin in Nord. J. Bot. 24: 385–388 (2007).

Flora of Tropical East Africa

  • F.T.A. 5: 68 (1899)
  • G.P. 2: 1085 (1876)
  • Nat. Pflanzenfam., Nachtr. zum II–IV: 305 (1897)
  • Nord. J. Bot. 24: 385 (2007)
  • Verh. Zool. Bot. Ges. Wien 18: 676 (1868)

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

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