1. Family: Campanulaceae Juss.
    1. Genus: Lobelia Plum. ex L.
      1. Lobelia rubescens De Wild.

        This species is accepted, and its native range is W. Tropical Africa to Tanzania.

    [FWTA]

    Lobeliaceae, E. Wimmer. Flora of West Tropical Africa 2. 1963

    Habit
    Erect, subglabrous herb to 1 ft. high, often decumbent or somewhat trailing and rooting at the base
    Flowers
    Flowers blue, about 1/2 in. long
    Ecology
    In marshes.
    [FTEA]

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

    Habit
    Annual or short-lived perennial herb, decumbent, 10–50 cm. long.
    Stem
    Stems usually many, often rooting at lower nodes, triangular with narrowly winged edges, subglabrous to sparsely pubescent.
    Leaves
    Leaves up to 20–50 mm. long and 7–24 mm. wide, narrowly elliptic or lanceolate to ovate, gradually narrowing upwards on the stem, acute or obtuse at the apex, gradually or abruptly narrowing below into a petiole-like base, serrate or crenate, sparsely pubescent on both sides or subglabrous, ciliate at the base; venation prominent beneath.
    Flowers
    Flowers in lax leafy racemes; pedicels 10–35 mm. long, shorter than or equalling the bracts, glabrous, with minute bracteoles at the base.
    Hypanthium
    Hypanthium narrowly obonical, 8–10-nerved, glabrous.
    Calyx
    Calyx-lobes narrowly triangular to linear, ± spreading or reflexed, 3–6 mm. long, entire, ciliate.
    Corolla
    Corolla 6.5–10 mm. long, blue or rarely mauve or violet, split practically to the base on the back, shortly pubescent inside at the bottom of the tube.
    Filaments
    Filaments, at least the 2 lower, somewhat pubescent below, connate at least in the upper half, attached to the corolla-tube at the very base.
    Anthers
    Anther-tube 1.4–1.6 mm. long, mostly shortly pubescent on the back; 2 lower anthers each with a tuft of hairs and a hyaline appendage at the apex.
    Ovary
    Ovary subinferior.
    Fruits
    Capsule narrowly obconical, 8–10-nerved, with 2 valves ± 1 mm. long, inferior part of capsule 4–10 mm. long.
    Seeds
    Seeds ± broadly elliptic in outline, somewhat compressed, ± 0.5 mm. long, striate, brown.
    Habitat
    Forest floor, bamboo thicket, edges of streams, swamps and lakes, roadsides, cultivations; 1450–2700 m.
    Distribution
    T6 U2
    [FWTA]

    Lobeliaceae, E. Wimmer. Flora of West Tropical Africa 2. 1963

    Habit
    Erect or decumbent-ascending herb to 1 ft. high
    Indumentum
    Stems and leaves above slightly pilose or glabrescent
    Flowers
    Flowers white, bluish within with dull spots on the lower lip, 1/4 in. long.

    Images

    Distribution

    Native to:

    Burundi, Cameroon, Equatorial Guinea, Nigeria, Rwanda, Sierra Leone, Tanzania, Uganda, Zaïre

    Lobelia rubescens De Wild. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 1, 2008 Cheek, M. [13545], Cameroon K000580354
    Dec 1, 2008 Cheek, M. [13567], Cameroon K000580355
    Dec 1, 2008 Harvey, Y.B. [308], Cameroon K000580356
    Mar 1, 2005 Tchiengue, B. [1968], Cameroon K000339341
    Jan 1, 2001 Cheek, M. [8894], Cameroon K000027450
    Jan 1, 2001 Cheek, M. [9587], Cameroon K000027456
    Jun 1, 2000 Cheek, M. [8498], Cameroon K000338666
    Jun 1, 2000 Etuge, M. [3623], Cameroon K000338667
    Jun 1, 2000 Etuge, M. [4574], Cameroon K000338668
    Treuss [747], Cameroon Lobelia kamerunensis K000228544 Unknown type material

    First published in Rev. Zool. Bot. Africaines 8(Suppl. Bot.): 27 (1920)

    Accepted by

    • Lammers, T.G. (2007). World checklist and bibliography of Campanulaceae: 1-675. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • E. Wimm. in Engl. Pflanzenr. 4, 276b Campanulac-Lobelioid.: 507. (1953)
    • in Rev. Zool. Bot. Aft. 8, Suppl. 27 (1920)
    Flora of Tropical East Africa
    • E. Wimmer in A. Engler, Das Pflanzenreich IV.276 c: 862 (1968).
    • E. Wimmer in Flora of West Tropical Africa, ed. 2, 2: 313 (1963)
    • E. Wimmer in A. Engler, Das Pflanzenreich IV.276 b: 507 (1953)
    • De Wild., Pl. Bequaert. 1: 295 (1922).
    • De Wild. in Rev. Zool. Afr. 8, Suppl. Bot.: 27 (1920)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical 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