1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Gymnanthemum Cass.
      1. Gymnanthemum glaberrimum (Welw. ex O.Hoffm.) H.Rob.

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

    [FTEA]

    Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

    Habit
    Deciduous shrub 1-2 m tall, leafless or with young leaves at time of flowering; rootstock woody; stems purplish, when young pubescent with asymmetrically T-shaped hairs and glandular.
    Leaves
    Leaves subsessile, obovate or elliptic, 3.7-9 cm long, 1.5-4.5 cm wide, base cuneate with a short petioloid base, margins subentire to coarsely serrate (in mature leaves), apex acute or obtuse, glabrous or sparsely pubescent with T-shaped crisped hairs.
    Capitulum
    Capitula in corymbiform cymes on numerous abbreviated shoots axillary to previous year’s leaves, or to current young leaves; involucre ovoid-cylindrical, 4-5 mm long; phyllaries 3-4-seriate, pale green with raised purple midrib, erect, appressed, later spreading and becoming caducous, elliptic, obovate or ovate, acute, the inner obtuse to rounded, shortly acuminate-apiculate, 3.5-5.2 mm long, thinly puberulous where exposed, distally glandular.
    Flowers
    Corolla white or white tinged mauve, 6-7.3 mm long, lobes 1.2-1.8 mm long, glabrous or with short marginal hairs.
    Fruits
    Achenes 3.4 mm long, 5-ribbed, glabrous, glandular; carpopodium large; outer pappus 1-1.3 mm long, inner pappus white, 5.5-8 mm long.
    Figures
    Fig. 41/4-5, p. 197.
    Habitat
    Brachystegia woodland; 600-1600 m
    Distribution
    T4 T8 W Africa from Guinea to Cameroon,
    [FWTA]

    Compositae, C. D. Adams. Flora of West Tropical Africa 2. 1963

    Habit
    An erect slender-branched undershrub 1-6 ft. high, scabrid-pubescent only on the younger parts, soon glabrous
    Leaves
    Leaves finely reticulate-veined
    Florets
    Florets white or pale pink in numerous heads 1/4 in. long
    Ecology
    In open hillside grass-land.
    [FZ]

    Compositae, G. V. Pope. Flora Zambesiaca 6:1. 1992

    Habit
    A much-branched subshrub to c. 1 m. tall, occasionally up to c. 2 m. tall, from a woody rootstock, usually with young leaves or sometimes leafless at flowering.
    Stem
    Stems and branches purplish, at first strongly angular, later ± ribbed or subterete with pale prominent lenticels, glabrous, or ± densely granulose-glandular particularly on young growth, sometimes also sparsely appressed puberulous; hairs T-shaped.
    Leaves
    Leaves usually appearing at the time of flowering or occasionally later, shortly petiolate; petiole up to c. 3 mm. long; lamina eventually up to ?c. 9 x 4.5 cm., elliptic to oblanceolate or obovate, apex acute to obtuse-rounded, base cuneate, margins subentire to coarsely dentate-serrate in mature leaves, coriaceous, glabrous or sometimes sparsely crisped-pubescent, hairs T-shaped with short crispate arms, nervation finely reticulate and somewhat raised on both surfaces.
    Capitulum
    Capitula very numerous, paniculate, or sometimes subumbellate on numerous short lateral branches; lateral branches 3–11 cm. long, green, appressed-pubescent; capitula stalks 2–30 mm. long.
    Involucre
    Involucres 4–5 mm. long, obconic, spreading later.
    Phyllaries
    Phyllaries few-seriate, becoming caducous with the inner ones being shed first, strap-shaped, ± abruptly narrowed to an obtuse-acuminate often recurved apex, scarious, thinly puberulous where exposed, finely ciliate and upper surface densely glandular apically, the midrib becoming somewhat fleshy ± raised and purple towards the apex, the margins narrowly hyaline; the outer phyllaries from c. 1 mm. long, ovate-lanceolate; the inner phyllaries up to c. 5 mm. long, oblong elliptic to oblanceolate.
    Florets
    Florets 5–6 per capitulum, sweetly scented; corollas white, 6–9 mm. long, widening towards the apex.
    Fruits
    Achenes 3–4 mm. long, narrowly turbinate, tapering to the base, 6–8-ribbed, sparsely to very densely glandular otherwise glabrous, rarely with a few hairs; outer pappus of short barbellate setae, inner pappus of long-exserted whitish barbellate setae 6–7 mm. long.

    Images

    Distribution

    Native to:

    Angola, Benin, Cameroon, Central African Repu, Chad, Congo, Gabon, Ghana, Guinea, Ivory Coast, Malawi, Mali, Mozambique, Nigeria, Sierra Leone, Sudan, Tanzania, Togo, Zambia, Zaïre, Zimbabwe

    Gymnanthemum glaberrimum (Welw. ex O.Hoffm.) H.Rob. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 1, 1987 Cecil, E. [70] Vernonia glaberrima K000273064 Unknown type material
    Meikle, R.D. [1341], Nigeria Vernonia glaberrima 12316.000
    Gossweiler, J. [s.n.], Angola Vernonia glaberrima K001307313
    Gossweiler, J. [648], Angola Vernonia glaberrima K001307314
    Gossweiler, J. [2228], Angola Vernonia glaberrima K001307315
    Gossweiler, J. [4088], Angola Vernonia glaberrima K001307316
    Maitland, T.D. [1540], Cameroon Vernonia glaberrima K000051773
    Maitland, T.D. [1696], Cameroon Vernonia glaberrima K000051774
    Maitland, T.D. [1402], Cameroon Vernonia glaberrima K000051775
    Welwitsch [3327], Angola Vernonia glaberrima K000273142 Unknown type material
    Welwitsch [3329], Angola Vernonia glaberrima K000273143 Unknown type material
    Cecil, E. [229], Zimbabwe Vernonia glaberrima K000273065 Unknown type material

    First published in Proc. Biol. Soc. Washington 112(1): 241 (1999)

    Accepted by

    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

    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

    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 2020. 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 2020. 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