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

        This species is accepted, and its native range is Kenya.

    [FTEA]

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

    Habit
    Perennial herb, 0.6–1.2 m high, erect; roots fibrous, rather thick; stems thinly pubescent, branching only in the inflorescence, with prominently spiny interrupted wings.
    Leaves
    Leaves sessile, spiny, pinnately lobed, the basal leaves largest, oblanceolate, 5–44 cm long, 1.5–16 cm wide, the basal leaves attenuate into a petioloid base, the more distal ones with semi-amplexicaul base, with 5–11 short-lobulate lobes with a few smaller basal lobes, with rather weak spines (becoming stronger in distal leaves) terminating the lobes and their lobules and with shorter marginal spines in between, glabrous above except for the midrib, crispate-setulose on midrib and veins beneath, sometimes setulose or arachnoid on the lamina beneath.
    Capitulum
    Capitula in a congested (later laxer) terminal cyme; involucre broadly campanulate, 13–17 mm long; phyllaries many, 4-seriate, the innermost distally mauve, lanceolate, to 14 mm long, acuminate or pungent to obtuse, margins with a few short spines, thinly arachnoid, glabrescent; receptacle with setae to 5 mm long.
    Florets
    Florets 69–92 per capitulum; corolla pale pink to pale mauve, tube 9–11 mm long, lobes 5–5.5 mm long, anthers pale.
    Fruits
    Achenes blackish grey and shiny, 4.5–5.5 mm long, slightly compressed, somewhat curved, glabrous; pappus of many bristles 7–9 mm long, caducous as a single unit.
    Habitat
    Drier upland forest, secondary forest and bamboo zone; 1700–2300 m
    Distribution
    K3 K4 not known elsewhere

    Distribution

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

    Date Reference Identified As Barcode Type Status
    Jul 9, 1993 Munro [s.n.], Kenya K000312240
    Faden, R.B. [74914], Kenya K000312235
    Verdcourt, B. [3039], Kenya K000312234
    Verdcourt, B. [3268], Kenya K000312239
    Verdcourt, B. [2994], Kenya K000312237
    Cunningham-van Someren, G.R. [659], Kenya K000312236
    Mathenge, S.G. [197], Kenya K000312238

    First published in Acta Horti Berg. 8: 22 (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), as sylvarum .
    • C. Jeffrey in Kew Bulletin 22: 127 (1968), as sylvarum.
    • Kazmi in Mitt. Bot. Staats. München 5: 154 (1963).
    • R.E. Fr., Acta Horti Berg. 8: 22, t. 3 (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.

    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