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This species is accepted, and its native range is Kenya to Tanzania.
A specimen from Kew's Herbarium

[FZ]

Flora Zambesiaca Acanthaceae (part 2) by Iain Darbyshire, Kaj Vollesen and Ensermu Kelbessa

Morphology General Habit
Erect or scrambling subshrub 30–250 cm tall; young stems with dense golden dendritic hairs, many with a long ± antrorse arm.
Morphology Leaves
Leaves elliptic(-obovate) or lanceolate, 2.5–13 × 0.8–3.3 cm, base cuneate or attenuate, apex acute to rounded, apiculate, upper surface with pale long-armed stellate hairs, lower surface with dense whitish(-buff) stellate hairs, veins and margin with golden to pale-buff long-armed stellate hairs; lateral veins 4–6 pairs, impressed above, prominent beneath; petiole 0–5 mm long.
Morphology Reproductive morphology Inflorescences
Inflorescences terminating main and short lateral branches, spiciform, conical or subcapitate, 1.5–7.5 cm long; bracts narrowly elliptic, obovate, oblong or lanceolate, 9.5–21 × 2–7 mm, apex dark-spinulose or -apiculate, ± outcurved; bracteoles (linear-)lanceolate or oblanceolate, 7–16 × 1–3(4) mm, conduplicate in cross-section, apex dark-spinulose, ± outcurved.
Morphology Reproductive morphology Flowers Calyx
Anterior calyx lobe ovate, subrhombic or rounded, 11.5–22 × 6–16 mm, base obtuse to attenuate, margin entire, often involute, apex attenuate into two parallel to widely divergent dark-spinulose or apiculate tips, venation palmate, prominent, surface with ± dense fine pale grey(-buff) stellate hairs and golden to pale-buff appressed or ascending long-armed stellate hairs along veins and margin, those along margin sometimes more spreading and with a swollen base; posterior lobe ovate, 12.5–21 × 4–11 mm, margin sometimes involute, apex attenuate or acuminate with a spinulose tip; lateral lobes linear-lanceolate, 6.5–10 mm long.
Morphology Reproductive morphology Flowers Corolla
Corolla 26–59 mm long, white, pale to bright blue or purple, pubescent externally mainly on lateral lobes; tube cylindrical, 11–30 mm long, curved; each lobe 12–25 × 5–13 mm, abaxial lobe offset by 1–4.5 mm, adaxial lobes sometimes narrowest.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens attached ± midway along corolla tube; filaments 15–33 mm long; anthers 2.4–4 mm long; lateral staminodes 0.8–2.5 mm long, pubescent, antherodes 0.5–1.3 mm long.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous; style puberulous towards base; stigma 0.8–2.2 mm long.
Morphology Reproductive morphology Fruits
Capsule 10–16 mm long, shortly beaked, glabrous.
Morphology Reproductive morphology Seeds
Seeds 5.5–9.5 × 4–6.5 mm.

Native to:

Angola, Kenya, Mozambique, Namibia, Northern Provinces, Tanzania, Zambia, Zimbabwe

Barleria taitensis S.Moore appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Kaessner [600], Kenya K000394446 Unknown type material
Bidgood, S. [6341], Tanzania K000468084

First published in J. Bot. 40: 343 (1902)

Accepted by

  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2010). Flora of Tropical East Africa, Acanthaceae (Part 2): 287-756.
  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.

Literature

Flora Zambesiaca

  • in J. Bot. 40: 343 (1902).
  • —Darbyshire in F.T.E.A., Acanthaceae 2: 380 (2010).

Kew Backbone Distributions

  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2010). Flora of Tropical East Africa, Acanthaceae (Part 2): 287-756.
  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015). Flora Zambesiaca 8(6): 1-314. Royal Botanic Gardens, Kew.

Flora Zambesiaca
Flora Zambesiaca
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