1. Family: Acanthaceae Juss.
    1. Genus: Barleria L.
      1. Barleria purpureotincta I.Darbysh.

        This species is accepted, and its native range is E. Angola to SW. Zambia.

    [FZ]

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

    Habit
    Suffruticose perennial 20–40 cm tall with numerous erect stems from a woody rootstock; stems with dense buff to golden dendritic hairs, many with a long antrorse arm, ± persistent.
    Leaves
    Leaves narrowly elliptic or somewhat obovate, 5–9 × 2–3 cm, base cuneate, apex acute, subattenuate or obtuse, upper surface with numerous pale long-armed stellate hairs, eventually glabrescent, lower surface with ± dense pale-buff stellate hairs and buff to golden long-armed dendritic hairs on principal veins and margins; lateral veins 4–6 pairs, these and reticulate tertiary venation prominent beneath; petiole 2–5 mm long.
    Inflorescences
    Inflorescence subglobose or capitate, 2–3.5 cm in diameter; bracts, bracteoles and outer calyx lobes tinged purple in distal half along margin and principal veins; bracts (ovate-)elliptic to obovate, 18.5–23.5(30) × 7.5–9(18) mm, dense buff to golden long-armed dendritic hairs particularly on margin and principal veins; bracteoles narrowly elliptic or oblanceolate, 14.5–22.5 × 1.7–3.5 mm.
    Calyx
    Anterior calyx lobe ovate-elliptic, 17.5–24 × 8–10 mm, apex bifid with deltate segments, 1.7–4.5 mm long, venation subparallel, indumentum as for bracts but largely glabrous in proximal third except for pale marginal hairs; posterior lobe elliptic, 18.5–25 × 6–10 mm, apex acute or obtuse, long-armed stellate hairs restricted to distal half or third, largely glabrous towards base except for simple hairs along margin; lateral lobes linear-lanceolate, 8.5–12.5 mm long.
    Corolla
    Corolla 62–79 mm long, blue or purple, glabrous externally; tube 32–41 mm long, cylindrical in proximal two-thirds, funnel-shaped or narrowly so above; lobes each 22–39 × 14–20 mm, abaxial lobe offset by 5.5–7 mm.
    Stamens
    Stamens attached ± midway along corolla tube or in distal half; filaments 23–30 mm long; anthers 3.4–4.3 mm long; lateral staminodes 2.5–4.5 mm long, pilose, antherodes 0.4–0.7 mm long.
    Ovary
    Ovary glabrous; style puberulous at base; stigma c.3.5 mm long.
    Fruits
    Capsule and seeds not seen.
    Distribution
    Also in E Angola (see below).
    Ecology
    Grassland on sandy soils, miombo woodland and in dambos; 1100–1250 m.

    Images

    Distribution

    Native to:

    Angola, Zambia

    Barleria purpureotincta I.Darbysh. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Fanshawe, D.B. [6211], Zambia K000794970 holotype

    First published in Kew Bull. 63: 267 (2008)

    Accepted by

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

    Literature

    Flora Zambesiaca
    • in Kew Bull. 63: 267, fig.3 (2008).
    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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    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 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