1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Carduus L.
      1. Carduus keniensis R.E.Fr.

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

    [FTEA]

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

    Habit
    Herb to 2.4 m high, scapose or almost acaulescent, ferociously spiny; stems from a massive rosette, stout, hollow, sparsely arachnoid-pubescent and crisped-setose with rather long white hairs, with interrupted spiny wings.
    Leaves
    Leaves sessile, decurrent, spiny, pinnately lobed, oblong or oblanceolate in outline, 4–75 cm long, 2–18 cm wide, those of the rosette largest, the distal ones smallest, base petioloid, with 17–65 main lobes, oblong-ovate or triangular, alternate or opposite, with strong spines terminating the lobes and their lobules and with smaller marginal spines in between, apex of terminal lobe acuminate, more or less densely crispate-setose and/or thinly arachnoid-pubescent above, scattered-setose and/or arachnoid pubescent except on the veins beneath.
    Capitulum
    Capitula 5–10 together in dense terminal pyramidal clusters to 8 cm in diameter, subtending leaves with strong terminal spines; involucre 30–40 mm long; phyllaries many, lanceolate, 12–24 mm long, proximally ciliate and distally pectinate, apex spiny; receptacle with setae 8–9 mm long.
    Florets
    Florets many; corolla pinkish mauve or pale purple, tube 11–15 mm long, lobes 3–4.5 mm long.
    Fruits
    Achenes brown or grey-brown, streaked black, shiny, 3–4 mm long, rather inflated, striate, straight or slightly curved, glabrous; pappus of many sordid bristles 14–21 mm long, united at the base and falling as a unit.
    Habitat
    Moist sites in afro-alpine moorland and heath zone, gregarious, may form patches; 2950–4570 m
    Distribution
    K3 K4 T2 U2 U3 not known elsewhere

    Images

    Distribution

    Native to:

    Kenya, Tanzania, Uganda

    Carduus keniensis R.E.Fr. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1953 Hedberg, O. [2408], Tanzania K000418452 isotype
    Jul 9, 1993 Dummer, R.A. [3522], Kenya Carduus subalpinus K000311639 holotype

    First published in Acta Horti Berg. 8: 31 (1925)

    Accepted by

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

    Literature

    Flora of Tropical East Africa
    • Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 227 (1994).
    • Blundell, Wild Flow. E. Afr.: 162, pl. 576 (1987).
    • C. Jeffrey in Kew Bulletin 22: 128 (1968).
    • Kazmi in Mitt. Bot. Staats. München 5: 166 (1963).
    • O. Hedberg, Afroalpine Vascular Plants p. 249 (1957).
    • R.E. Fr. in Acta Horti Berg. 8: 31 (1923).

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East 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