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  1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Sonchus L.
      1. Sonchus integrifolius Harv.

        This species is accepted, and its native range is Zimbabwe to S. Africa.

    [FZ]

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

    Habit
    An erect glabrous perennial herb up to c. 55 cm. tall, from a semi-woody taproot.
    Stem
    Stems usually simple, terete and finely striately-ribbed, leafy throughout but with leaves more crowded in the lower part.
    Leaves
    Leaves numerous sessile patent-ascending, usually undivided and entire to sinuate-dentate, sometimes with remote spreading (not recurved) lorate lobes up to c. 3.5 x 0.5 cm.; basal leaves c. 10 x 1 cm., narrowly oblanceolate; cauline leaves up to c. 17 x 2 cm., linear-elliptic to narrowly-elliptic becoming lanceolate towards the stem apex, attenuate-acute, margins subentire to denticulate, semi-amplexicaul and sagittate at the base.
    Capitulum
    Capitula few in lax corymbiform cymes, or solitary and terminal on long synflorescence branches, glabrous at least when mature.
    Involucre
    Involucres up to c. 23 x 12 mm. in fruiting capitula, cylindric-campanulate later spreading.
    Phyllaries
    Phyllaries imbricate, increasing in length towards the inside, becoming thickened below; outermost c. 4 mm. long, ovate to lanceolate, sub-coriaceous; innermost to c. 17 x 3 mm. long, increasing to c. 23 cm. long in fruiting capitula, narrowly lanceolate, membranous, eventually involute and reflexed.
    Florets
    Florets numerous.
    Corolla
    Corollas yellow, 15–18 mm. long, ± pubescent about the junction of tube and ligule; ligule 4–5 mm. long, oblong, reddish outside.
    Fruits
    Achenes pale-brown, 4–5.5 mm. long, narrowly ellipsoid, slightly laterally compressed, strongly 4-ribbed with c. 2 secondary ribs between, the larger ribs eventually thickened, glabrous; pappus white, c. 12 mm. long, composed of minutely barbellate setae and down-like hairs.

    Images

    Distribution

    Native to:

    Cape Provinces, Free State, KwaZulu-Natal, Lesotho, Northern Provinces, Swaziland, Zimbabwe

    Synonyms

    Other Data

    Sonchus integrifolius Harv. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1962 Harvy, South Africa K000251710
    South Africa K000251711

    Bibliography

    First published in Fl. Cap. 3: 528 (1865)

    Accepted by

    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
    • Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.

    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 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