1. Family: Campanulaceae Juss.
    1. Genus: Lobelia Plum. ex L.
      1. Lobelia welwitschii Engl. & Diels

        This species is accepted, and its native range is Cameroon to SW. Ethiopia and S. Tropical Africa.

    [FZ]

    Lobeliaceae, M. Thulin. Flora Zambesiaca 7:1. 1983

    Habit
    Perennial, erect or ascending, rhizomatous herb, glabrous or very occasionally pubescent, 10–50 cm. tall.
    Stem
    Stems not or sparsely branched, angular, not or very narrowly winged.
    Leaves
    Leaves up to 12 x 1–6 mm., sparsely denticulate; upper leaves narrowly lanceolate, acute, ± erect; lower leaves lanceolate to elliptic or broadly ovate, sometimes obtuse, ± spreading; epidermis above with large cells (0·05–0·1 mm. long) particularly towards the apex and along margins.
    Flowers
    Flowers in lax racemes; pedicels up to 30 mm. long; bracts similar to upper stem leaves; bracteoles ± 1 mm. long, linear, on lower half of the pedicel.
    Hypanthium
    Hypanthium obconical to obovoid, c. 10–nerved.
    Calyx
    Calyx–lobes narrow, often subulate, erect, 2·5–6 mm. long, with 1–2 pairs of teeth at the margin.
    Corolla
    Corolla 6·5–10·5 mm. long, blue or rarely white, with two bumps in the mouth of the tube, split to c. 0·4 mm. from the base on the back, short pubescent inside on the bottom of the tube.
    Filaments
    Filaments linear, pubescent at the base, connate for most of their length, attached to the corolla–tube at the base.
    Anthers
    Anther–tube 1·5–2 mm. long, shortly pubescent on the back of the upper thecae or glabrous, the two lower anthers each with a tuft of hairs and a hyaline appendage at the apex.
    Ovary
    Ovary subinferior.
    Fruits
    Capsule c. 10–nerved with 2 valves ± 1 mm. long, inferior part of capsule 4–7 mm. long.
    Seeds
    Seeds elliptic–oblong in outline, somewhat compressed, 0·4–0·5 mm. long, almost smooth, brown.
    [FTEA]

    Lobeliaceae, Mats Thulin (University of Uppsala). Flora of Tropical East Africa. 1984

    Habit
    Perennial, erect or ascending, rhizomatous herb, glabrous or very occasionally pubescent, 10–50 cm. tall.
    Stem
    Stems not or sparsely branched, angular, not or very narrowly winged.
    Leaves
    Leaves up to 12 mm. long, 1–6 mm. wide, sparsely denticulate; upper leaves narrowly lanceolate, acute, ± erect; lower leaves lanceolate to elliptic or broadly ovate, sometimes obtuse, ± spreading.
    Flowers
    Flowers in lax racemes; pedicels up to 30 mm. long; bracts similar to upper stem leaves; bracteoles ± 1 mm. long, linear, on lower half of the pedicel.
    Hypanthium
    Hypanthium obconical to obovoid, ± 10-nerved.
    Calyx
    Calyx-lobes narrow, often subulate, erect, 2.5–6 mm. long, with 1–2 pairs of teeth at the margin.
    Corolla
    Corolla 6.5–10.5 mm. long, blue or rarely white, with 2 bumps in the mouth of the tube, split to ± 0.4 mm. from the base on the back, shortly pubescent inside at the bottom of the tube.
    Filaments
    Filaments pubescent at the base, connate for most of their length, attached to the corolla-tube at the base.
    Anthers
    Anther-tube 1.5–2 mm. long, shortly pubescent on the back of the upper thecae or glabrous; 2 lower anthers each with a tuft of hairs and a hyaline appendage at the apex.
    Ovary
    Ovary subinferior.
    Fruits
    Capsule ± 10-nerved, with 2 valves ± 1 mm. long, inferior part of capsule 4–7 mm. long.
    Seeds
    Seeds elliptic-oblong in outline, somewhat compressed, 0.4–0.5 mm. long, almost smooth, brown.
    Figures
    Fig. 2.
    Habitat
    Bogs, swampy ground, streamsides; 430–2740 m.
    Distribution
    K3 K5 T4 T7 T8 U1

    Images

    Distribution

    Native to:

    Angola, Cameroon, Ethiopia, Kenya, Malawi, Mozambique, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Lobelia welwitschii Engl. & Diels appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 1966 Bullock, A. A. [3294], Tanzania K000228590 holotype
    Milne-Redhead, E. [2654], Zambia 10006.000
    Welwitsch [1142], Angola K000228610
    Welwitsch [1141], Angola K000228611 Unknown type material

    First published in Bot. Jahrb. Syst. 26: 116 (1898)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Lammers, T.G. (2007). World checklist and bibliography of Campanulaceae: 1-675. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.

    Literature

    Flora of Tropical East Africa
    • Thulin in Flora Zambesiaca 7(1): 129, t. 22 (1983).
    • E. Wimmer in A. Engler, Das Pflanzenreich IV. 276 c: 867 (1968).
    • E. Wimmer in A. Engler, Das Pflanzenreich IV. 276 b: 544 (1953)
    • R.E. Fries, Wiss. Ergebn. Schwed. Rhod.-Kongo-Exped. 1: 317 (1916).
    • Engl. & Diels in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 26: 116 (1898).

    Sources

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

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    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