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This species is accepted, and its native range is Zambia to N. Botswana.
A specimen from Kew's Herbarium

[FZ]

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

Morphology General Habit
Perennial herb or subshrub 60–120 cm tall, erect or straggling; stems glabrous, older stems with grey bark.
Morphology General Spines
Axillary spines minute, often sparse, 4(6)-rayed, stalk to 0.7 mm long, longest ray 1–3 mm long.
Morphology Leaves
Leaves (linear-)lanceolate, narrowly oblong-elliptic or oblanceolate, 3.5–11.7 × 0.5–3.5 cm, base cuneate(-attenuate), apex acute or rarely obtuse, apiculate, surfaces strigulose when young, soon glabrescent except along margin and midrib beneath, sometimes sparse broad sessile glands towards base beneath; petiole 0–5 mm.
Morphology Reproductive morphology Inflorescences
Inflorescence a congested head 1.5–4 cm long on main and short lateral branches, each cymule 1–7-flowered; bracts green with whitish margins towards base, narrowly spathulate, 10–22 × 1.5–4 mm, apiculate, strigose mainly along midrib and margin, often with finer short hairs interspersed and short-stalked glands in distal half; bracteoles white with green midrib, linear-lanceolate, (6.5)8–13 × 1–2 mm, apex mucronate.
Morphology Reproductive morphology Flowers Calyx
Calyx lobes green at first with paler margins, later whitish-green throughout, subequal, outer lobes lanceolate, 8.5–14.5 × 2.3–3.5(4.3) mm, (sub)attenuate into apiculum, anterior lobe sometimes notched, with short eglandular and glandular hairs towards apex, elsewhere glabrous, venation inconspicuous or 2 (anterior) or 1 (posterior) veins prominent; lateral lobes somewhat narrower.
Morphology Reproductive morphology Flowers Corolla
Corolla 29–43.5 mm long, yellow, pubescent externally, limb with mixed eglandular and glandular hairs; tube 11–15 mm long; limb in 4+1 arrangement; abaxial lobe 8.5–14 × 3.5–6 mm, offset by 7–10.5 mm; lateral lobes 11.5–17 × 7–10 mm; adaxial lobes 11.5–19.5 × 5–8.5 mm.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens with filaments 24–30 mm long, glabrous or with short hairs towards base; anthers c.3 mm; lateral staminodes c.0.5 mm, pilose, antherodes c.1 mm.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous; stigma linear, 0.6–0.75 mm long.
Morphology Reproductive morphology Fruits
Capsule 13.5–15.5 mm long, glabrous.
Morphology Reproductive morphology Seeds
Only immature seeds seen.
Distribution
Not known elsewhere.
Ecology
Dry rocky slopes in open mopane or Commiphora woodland or wooded grassland and riverbanks; 450–950 m.
Conservation
Conservation notes: Endemic to the Zambezi Valley. Local and uncommon, but not considered threatened; Least Concern.

Native to:

Botswana, Zambia, Zimbabwe

Barleria rhodesiaca Oberm. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nov 10, 1933 Rogers, F.A. [13401], Zimbabwe K000394570 isolectotype
Nov 10, 1933 Rogers, F.A. [13401], Zimbabwe K000394569 isolectotype

First published in Ann. Transvaal Mus. 15: 144 (1933)

Accepted by

  • 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 Ann. Transv. Mus. 15: 144 (1933).

Kew Backbone Distributions

  • 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