1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Lactuca L.
      1. Lactuca mwinilungensis G.V.Pope

        This species is accepted, and its native range is DR Congo to Zambia.

    [FZ]

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

    Habit
    A subscapose perennial herb up to c. 70 cm. tall, from a semi-woody fusiform-turbinate rootstock.
    Stem
    Flowering stalks erect striate much-branched glabrous, or sparsely setulose below; branches mostly simple up to c. 35 cm. long, divaricate-ascending, glabrous, bracteate.
    Leaves
    Leaves often reddish-purple on the margins and veins, 1–6 in a ± prostrate basal rosette, appearing after the flowers; 6–15 x 3–7 cm., broadly elliptic to narrowly obovate, rounded to obtuse at the apices, ± broadly cuneate below with a petiole-like winged midrib up to c. 2.5 cm. long, denticulate on the margins, glabrous; cauline leaves absent, or if present, sessile and bract-like, up to c. 4 cm. long, narrowly oblanceolate to narrowly triangular.
    Synflorescence
    Synflorescences paniculate, diffuse.
    Capitulum
    Capitula precocious, numerous, subsessile or stalked, solitary or in clusters of 2–4 spaced along the branches; capitula stalks up to c. 3 cm. long, glabrous.
    Involucre
    Involucres cylindric 8–10 x 2 mm. at time of flowering, increasing to c. 12 x 3 mm. in fruiting capitula.
    Phyllaries
    Phyllaries 3–4-seriate glabrous green, often brown or purple-tinged towards the apices, ciliate above, spreading with age; the outermost ovate, less than half the length of the inner; the innermost up to c. 11 mm. long, lanceolate-lorate, ± cucullate in bud.
    Florets
    Florets c. 5 per capitulum; corollas yellow, 11–15 mm. long, the tube narrowly cylindric and puberulus above; ligule 8–11 x 2.5–3.5 mm., lorate, glabrous.
    Fruits
    Achenes reddish-brown, 4–5 x 1.5–2 mm., ellipsoid, somewhat compressed, not or hardly beaked, broadly-ribbed on the margins or angles, with 1–3 narrower ribs between, minutely hispidulous; pappus several-seriate, copious of fine, white barbellate setae c. 5 mm. long.

    Images

    Distribution

    Native to:

    Zambia, Zaïre

    Lactuca mwinilungensis G.V.Pope appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Milne-Redhead, E. [3522], Zambia K000251889 holotype
    Milne-Redhead, E. [3522], Zambia K000251890 holotype

    First published in Kew Bull. 39(1): 168 (1984)

    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

    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