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This species is accepted, and its native range is W. Zimbabwe to Northern Prov.
A specimen from Kew's Herbarium

[FZ]

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

Morphology General Habit
Very spiny shrub forming dense, rounded clumps, 15–150 cm tall; stems with short white spreading or retrorse hairs, evenly distributed or concentrated in two opposite lines.
Morphology General Spines
Axillary spines 2–4-rayed, subsessile, longest ray 10–23 mm long.
Morphology Leaves
Leaves broadly obovate, 0.8–3 × 0.6–1.7 cm, base attenuate or cuneate, apex rounded or abruptly narrowed, mucronate, shortly spreading-pubescent at least beneath when young, with longer ascending or appressed hairs on margin and veins beneath; petiole 0–3 mm.
Morphology Reproductive morphology Inflorescences
Inflorescence axillary towards stem apex, flowers solitary, subsessile; bracts foliaceous; bracteoles spinose, (8.5)12–21 mm long, bracteoles of old inflorescence persisting.
Morphology Reproductive morphology Flowers Calyx
Anterior calyx lobe lanceolate, 8.5–13.5 × 2–3 mm, apex spinose or notched-spinose, surface with white spreading or retrorse hairs, with or without coarser ascending hairs along margin and short spreading glandular hairs towards apex, venation parallel; posterior lobe 9–14 mm long; lateral lobes narrower.
Morphology Reproductive morphology Flowers Corolla
Corolla salver-shaped, 30–37 mm long, yellow or pale orange, densely pubescent externally, limb with or without occasional glandular hairs; tube narrowly cylindrical, 20–26 mm long; limb subregular, lobes widely spreading; abaxial lobe 6.5–11.5 × 5–6.5 mm; lateral lobes 7–12 × 5–6 mm, adaxial lobes as abaxial but 3.5–5.5 mm wide.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens with filaments 8–9.5 mm long, pubescent in proximal half; anthers wholly or only partially exserted, 1.9–2.5 mm; lateral staminodes 0.6–1.5 mm, pubescent, antherodes 0.6–1 mm.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous; stigma c.0.5 mm long.
Morphology Reproductive morphology Fruits
Capsule 10.5–14.5 mm long, glabrous.
Morphology Reproductive morphology Seeds
Seeds c.7 × 5 mm.

Native to:

Botswana, Kenya, Northern Provinces, Uganda, Zimbabwe

Barleria holubii C.B.Clarke appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Dec 19, 1899 Holub, E. [s.n.], South Africa K000394533 holotype

First published in W.H.Harvey & auct. suc. (eds.), Fl. Cap. 5: 47 (1901)

Accepted by

  • 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.
  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.

Literature

Flora Zambesiaca

  • in Fl. Cap. 5: 47 (1901).
  • —Darbyshire in F.T.E.A., Acanthaceae 2: 440 (2010).
  • —Obermeijer in Ann. Transv. Mus. 15: 146 (1933).

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