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This species is accepted, and its native range is S. Ethiopia to N. Uganda.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology Reproductive morphology Flowers Calyx
Calyx sparsely to densely glandular-puberulent, usually also with non-glandular hairs along veins and on lobes, (8–)10–22 mm long; teeth 4–11 mm long, from shorter to longer than tube
Morphology Reproductive morphology Flowers Corolla
Corolla with limb nearly symmetric, trumpet-shaped with throat expanded downwards, white to mauve, purple or lilac or pale to dark blue, with darker patches at base of lower lip and in throat, tube yellowish, puberulent or sparsely so and with capitate glands, 28–65 mm long of which the linear tube 11–23 mm, the throat (7–)11–26 mm and the limb 9–20 mm, limb shorter than throat (rarely longer); lobes obovate-spathulate, recurved in mature flowers. Free part of filaments 7–15 mm long, hairy towards base, glandular or with mixture of glands and hairs towards apex; anthers (1.5–)2–2.5 mm long, spurs 1/4– 1/2 mm long. Style apically with mixture of hairs and stalked capitate glands
Morphology Reproductive morphology Fruits
Capsule 15–18 mm long, glandular near apex
Morphology Reproductive morphology Seeds
Seed ± 3 mm long.
Ecology
Dry Acacia, Acacia-Commiphora and Commiphora-Euphorbia bushland, often on stony soil or on rocky hills; (500–)800–1700(–1850)
Note
Iversen in Symb. Bot. Ups. 29, 3: 161 (1991) records this species from the E Usambara Mts ( T 3), but the specimen cited by him ( Ngoundai 400) is clearly of cultivated origin as are other collections from this area. It is possible that the species occurs as wild in NE Tanzania, but no definite records exist. This large-flowered attractive shrub is widely cultivated both within and outside its natural distribution in East Africa.  Cultivated specimens have also been seen from W Uganda and NE Tanzania. Outside East Africa cultivated specimens have been seen from Zambia, Zimbabwe, Namibia and South Africa.
Type
Type: Kenya, Ukamba, Kitui, Hildebrandt 2719 (BM!, holo.; K!, P!, iso.)
Morphology General Habit
Much branched erect or scrambling sticky subshrub or shrub to 2 m tall; branches brittle, sparsely to densely glandular-puberulent when young, often with non-glandular hairs intermixed (very rarely without glands)
Morphology Leaves
Leaves ovate to elliptic, largest 1.5–5.5(–7.5) × 0.6–2.7(–3.2) cm, apex acute to truncate, puberulent to puberulous or sparsely so, sometimes densest along veins, often with intermixed capitate glands. Flowers in open axillary dichasial 3–18-flowered cymes or solitary towards tip of branches; peduncle and branches 1–15(–20) mm long, becoming woody when old, sparsely to densely glandular-puberulent (rarely also with longer pilose hairs); outer bracts elliptic, up to 1.5 cm long or like inner bracts and bracteoles: linear and up to 7 mm long, indumentum as leaves
Distribution
Flora districts: U1 K1 K2 K3 K4 K6 K7 Range: Not known elsewhere

Native to:

Ethiopia, Kenya, Uganda

Introduced into:

Leeward Is.

Dyschoriste thunbergiiflora (S.Moore) Lindau appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1992 Hildebrandt, J.M. [2719], Kenya K000393838 Unknown type material

First published in H.G.A.Engler (ed.), Pflanzenw. Ost-Afrikas, C: 367 (1895)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.
  • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Vollesen, K. (2008). Flora of Tropical East Africa, Acanthaceae(1): 1-285.

Literature

Kew Backbone Distributions

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.

Flora of Tropical East Africa

  • Blundell, Wild Fl. E. Afr.: 391, pl. 606 (1987)
  • E. & P. Pf. IV, 3b: 302 (1895)
  • F.T.A. 5: 78 (1899)
  • K.T.S.: 17 (1961)
  • K.T.S.L.: 602 (1994)
  • Lebrun & Stork, Enum. Pl. Afr. Trop. 4: 480 (1997).
  • P.O.A. C: 367 (1895)
  • U.K.W.F. ed. 2: 269 (1994)
  • U.K.W.F.: 585 (1974)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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