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This species is accepted, and its native range is S. DR Congo to Zambia.
A specimen from Kew's Herbarium

[FZ]

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

Morphology General Habit
Spreading perennial herb or shrublet 30–80 cm tall, branches decumbent or procumbent; stems with mixed short white ± retrorse hairs and long coarse ± spreading pale-buff or yellow hairs, often also viscid glandular-pubescent at least on upper internodes.
Morphology Leaves
Leaves sometimes immature at flowering, subsessile, ovate-elliptic to lanceolate, 1–3.5 × 0.5–1.5 cm, base obtuse or rounded, margin revolute when young, apex acute, mucronulate, surfaces with ± dense long pale-buff coarse spreading or ascending hairs, young leaves often viscid glandular-pubescent; lateral veins 2–4 pairs.
Morphology Reproductive morphology Inflorescences
Inflorescence axillary, 1(2)-flowered, densely viscid glandular-pubescent throughout; peduncles spreading-ascending, 9–26 mm long; bracteoles linear(oblanceolate), 5–13 × 1–1.5 mm, margin entire, apex spinulose; pedicels (1)4–16 mm long.
Morphology Reproductive morphology Flowers Calyx
Calyx pale green or brownish at first with darker reticulate venation, later turning scarious; outer lobes subequal (posterior lobe marginally longer), elliptic, oblong or lanceolate, 11–19 × 3.5–6 mm, margin entire, apex acute, attenuate or anterior lobe sometimes notched to 2.5 mm, mucronate, surfaces densely glandular-pubescent and sparsely strigose; lateral lobes linear-lanceolate, 9–15 mm long.
Morphology Reproductive morphology Flowers Corolla
Corolla 45–56 mm long, pale pink to mauve or white, limb sometimes with darker magenta stripes, pubescent externally with mixed eglandular and glandular hairs; tube cylindrical, 26–35 mm long; limb in 2+3 arrangement; abaxial lobe c.18 × 10–15 mm; lateral lobes 17–21 × 10–17 mm; adaxial lobes as laterals but 7–13 mm wide.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens attached 15–18 mm from base of corolla tube; filaments 21–25 mm long; anthers 3–5 mm long; lateral staminodes 2.5–6 mm long, sparsely hairy at base, apex clavate, antherodes undeveloped.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with tuft of deflexed hairs at apex, proximal portion of style often with scattered longer hairs; stigma subcapitate or clavate, 0.3–0.5 mm long.
Morphology Reproductive morphology Fruits
Capsule 18–19 mm long, glabrous.
Morphology Reproductive morphology Seeds
Seeds not seen.
Distribution
Also in southern D.R. Congo.
Ecology
Dry rocky or sandy hillslopes with open vegetation or stunted Brachystegia woodland; 1000–1250 m.
Conservation
Conservation notes: Very localised and scarce, known from only 10 collections, mostly in the vicinity of the Great East Road in SE Zambia; no information available for the Congo population; probably Vulnerable under IUCN criterion B.

Native to:

Zambia, Zaïre

Barleria glutinosa Champl. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jun 17, 2002 Kisimba, K. [46], Congo, DRC K000779570 isotype

First published in Pl. Ecol. Evol. 144: 85 (2011)

Accepted by

  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015). Flora Zambesiaca 8(6): 1-314. Royal Botanic Gardens, Kew.

Literature

Flora Zambesiaca

  • in Pl. Ecol. Evol. 144: 85 (2011).

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