1. Family: Acanthaceae Juss.
    1. Genus: Barleria L.
      1. Barleria delagoensis Oberm.

        This species is accepted, and its native range is Central & S. Mozambique to KwaZulu-Natal.

    [FZ]

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

    Habit
    Perennial herb or subshrub 40–150 cm tall; stems glabrous or minutely puberulous on two opposite sides, uppermost internodes sometimes strigulose; woody stems with sandy-coloured bark.
    Spines
    Axillary spines small, 4(6)-rayed, stalk 0.3–1.5 mm long, longest ray 1.5–7.5 mm long, rarely absent.
    Leaves
    Leaves elliptic or ovate-elliptic, 3.2–10 × 1.6–4.2 cm, base attenuate, apex acute, obtuse or shortly attenuate, mucronulate, margin, midrib and veins strigose beneath, glabrescent; petiole to 18 mm.
    Inflorescences
    Inflorescence a terminal spike 2.5–8(22) cm long, contracted or lower cymules more widely spaced, each cymule 1- or 3-flowered, sessile; bracts ± spreading, lowermost pairs foliaceous, soon reducing upwards where oblanceolate, 8.5–26 × 1.5–7 mm, apex attenuate, mucronate, veins and margin strigose; bracteoles white-green, lanceolate-spinose, 6–12.5 × 0.9–1.5 mm.
    Calyx
    Outer calyx lobes subequal, ovate, anterior lobe (7.5)10.5–16 × 4–8 mm, posterior lobe (9.5)12–17.5 mm long, margin often involute, apex attenuate into apical spine, anterior lobe sometimes notched, surface with numerous ascending or appressed hairs, usually with minute spreading hairs with a few short glandular hairs towards apex, venation parallel, prominent only in fruit; lateral lobes (8)11.5–15 mm long.
    Corolla
    Corolla 29–39 mm long, (pale)yellow, orange or brick red, pilose externally; tube 11–14 mm long; limb in 4+1 arrangement; abaxial lobe 11.5–18 × 5–7 mm, offset by 5.5–8 mm; lateral lobes 10–17 × 5.5–8 mm; adaxial lobes as laterals but 4.5–7 mm wide.
    Stamens
    Stamens with filaments 15.5–29 mm long, sparsely pubescent towards base; anthers 2–3.3 mm; lateral staminodes 0.7–1.7 mm, pubescent, antherodes 0.7–1 mm.
    Ovary
    Ovary minutely hairy or glabrous; style glabrous; stigma linear, c.0.7 mm long.
    Fruits
    Capsule 15–18 mm long, densely puberulous.
    Seeds
    Seeds c.7.5 × 5 mm.
    Distribution
    Also in South Africa (KwaZulu-Natal, –Mpumalanga) and –Swaziland.
    Ecology
    Littoral scrub including under coconut plantations, coastal bushland and dry coastal forest, lowland riverine woodland, usually on sandy soils; 0–150 m.
    Conservation
    Conservation notes: Locally common in a range of coastal habitats, some of which are threatened, and extending along the lower Zambezi; Least Concern.

    Distribution

    Native to:

    KwaZulu-Natal, Mozambique

    Barleria delagoensis Oberm. appears in other Kew resources:

    First published in Ann. Transvaal Mus. 15: 143 (1933)

    Accepted by

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

    Not accepted by

    • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne. [Cited as Barleria prionitis subsp. delagoensis.]

    Literature

    Flora Zambesiaca
    • in Ann. Transv. Mus. 15: 143 (1933).
    Kew Backbone Distributions
    • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015). Flora Zambesiaca 8(6): 1-314. Royal Botanic Gardens, Kew.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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