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  1. Family: Acanthaceae Juss.
    1. Genus: Barleria L.
      1. Barleria gueinzii Sond.

        This species is accepted, and its native range is Mozambique to S. Africa.


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

    Perennial herb or shrub 50–250 cm tall, often scrambling or scandent; stems with pale appressed or ascending stiff or flexuose hairs, upper internodes often with shorter spreading or retrorse hairs on two opposite sides.
    Leaves ovate(-elliptic), 3–9.5 × 1.8–5 cm, base rounded, truncate or shortly attenuate, apex acute to attenuate, surfaces with pale ascending or subappressed hairs most numerous on margin and veins beneath where sometimes with a swollen base; lateral veins 4–6 pairs; petiole 6–27 mm long.
    Inflorescences axillary, sometimes clustered in upper leaf axils and forming a leafy thyrse, flowers solitary or often in 2–3-flowered contracted unilateral cymes, peduncle 0–4 mm long; bracteoles linear to narrowly elliptic-lanceolate, 4.5–16.5 × 0.5–2.5 mm, margin entire or with minute teeth formed by swollen hair bases, apex acute; pedicels 0.5–2.5 mm long.
    Calyx membranous, green or pale green with darker reticulate venation, tardily scarious; anterior lobe ovate to obovate, 11–17(21) × 7–13(15) mm, base shallowly cordate to cuneate or attenuate, margin with apiculate teeth, minute to more elongate, each with an apical bristle, apex obtuse, rounded or emarginate in outline, with 1–3 teeth, surface sparsely strigulose mainly on veins, sometimes with short spreading glandular hairs mainly along margin; posterior lobe ovate or elliptic, 13.5–23 mm long, apex acute- or attenuate-apiculate; lateral lobes pale, ovate or lanceolate, 2.5–7 mm long.
    Corolla 27–49 mm long, pale blue to mauve or purple, with paler tube and purple stripes in throat, glandular-pilose externally; tube 16–25 mm long, campanulate to broadly so above attachment point of stamens; limb in 4+1 arrangement or weakly so; abaxial lobe 12–21 × 11–16 mm, offset by 2–6 mm; lateral lobes (7.5)10–17 × 8–15 mm; adaxial lobes (8)9.5–15 × 5.5–10 mm.
    Stamens attached 6.5–11 mm from base of corolla tube; filaments 21–29 mm long; anthers 2.5–3.5 mm long; lateral staminodes 1.5–3.5 mm long, pilose and/or minutely glandular-pubescent, antherodes 0.5–0.8 mm long.
    Ovary glabrous or with few minute hairs towards apex; style glabrous; stigma clavate or linear, 0.6–1.2 mm long.
    Capsule 16.5–17.5 mm long, glabrous.
    Seeds 4–5 mm long and wide.



    Native to:

    Cape Provinces, KwaZulu-Natal, Mozambique, Northern Provinces, Swaziland

    Other Data

    Barleria gueinzii Sond. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Drege [s.n.], South Africa K000394583


    First published in Linnaea 23: 91 (1850)

    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.


    Flora Zambesiaca

    • —Bandeira et al., Fl. Nat. Sul Moçamb.: 160, 190 (2007).
    • —Fabian & Germishuizen, Wild Fl. Nthn. S. Afr.: 398, pl.191 (1997).
    • —Compton, Fl. Swaziland: 553 (1976).
    • —Obermeijer in Ann. Transv. Mus. 15: 168 (1933).
    • —Clarke in Fl. Cap. 5: 49 (1901).
    • —Anderson in J. Linn. Soc., Bot. 7: 30 (1863).
    • in Linnaea 23: 91 (1850).


    Flora Zambesiaca
    Flora Zambesiaca

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    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 World Checklist of Selected Plant Families.

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.