1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Sonchus L.
      1. Sonchus friesii Boulos

        This species is accepted, and its native range is S. Tropical Africa to KwaZulu-Natal.

    [FZ]

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

    Habit
    An erect perennial herb up to 90(120) cm. tall, from a semi-woody taproot.
    Stem
    Stems mostly solitary, stout, leafy, hollow, glabrous.
    Leaves
    Leaves runcinate-dentate or entire (coarsely pinnatilobed-runcinate in Natal), glabrous; basal leaves 6–7 in a rosette, 2–8.5 x 0.5–2.5 cm., oblanceolate, evanescent; cauline leaves few to many, somewhat crowded on the lower stem, 4–14(18) x 1–4(10) cm., narrowly oblong-oblanceolate to somewhat panduriform in outline, the uppermost becoming linear-lanceolate, apices obtuse or acuminate, margins coarsely sharply and irregularly-toothed, bases semi-amplexicaul sometimes auriculate-sagittate with narrow lobes up to 1.5 cm. long.
    Capitulum
    Capitula up to 7(40) in lax reduced corymbiform cymes.
    Involucre
    Involucres c. 15 x 5–10 mm. in fruiting capitula, ± broadly cylindric-campanulate, persistent white-lanate below.
    Phyllaries
    Phyllaries imbricate, 3–4 x 1–2 mm. on the outside, increasing to 12 mm. long on the inside, to c. 15 mm. long in fruiting capitula, lanceolate-lorate, obtuse-acute, membranous, midribs of the outermost often setose becoming thickened towards the base, white- or brownish-lanate, glabrescent towards the apex.
    Florets
    Florets numerous.
    Corolla
    Corollas yellow, c. 12–17 mm. long, pubescent about the junction of the tube and ligule; ligule often purplish outside, c. 5 mm. long, oblong.
    Fruits
    Achenes pale-brown, c. 4–5 mm. long, narrowly ellipsoid, slightly flattened glabrous ribbed, the marginal ribs and main rib on each face well developed with c. 2 secondary ribs between, the main rib eventually swollen and rugulose; pappus white, c. 10 mm. long, composed of minutely barbellate setae intermixed with down-like hairs.

    Distribution

    Native to:

    KwaZulu-Natal, Mozambique, Zambia, Zimbabwe

    Sonchus friesii Boulos appears in other Kew resources:

    First published in Bot. Not. 120: 456 (1967)

    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

    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