1. Family: Asteraceae Bercht. & J.Presl
    1. Berkheya Ehrh.

      1. This genus is accepted, and is native to Africa..

    [FTEA]

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

    Habit
    Shrubby or herbaceous, often thistle-like, perennial
    Leaves
    Leaves alternate, sometimes decurrent and stems winged, occasionally forming a pseudo-rosette, margins of wings and leaves spiny
    Inflorescences
    Inflorescence solitary, racemose or subcorymbose; capitula eradiate or more usually radiate, showy; phyllaries multiseriate, usually spreading, the middle usually the longest, connate at base, ± stiff and variably spiny, spinescent, occasionally unarmed and spinescent; receptacle flat or shallowly domed, pitted, pits with scarious entire, dentate or erose walls sometimes produced into spines or scales
    Florets
    Ray florets sterile or absent, when present in 1 series, spreading, yellow rarely white, entire with 5–10 veins and up to 5 teeth, ray narrowing into tube in lower part; staminodes usually present; disc florets bisexual, fertile, regular, tubular, enlarged above, normally 5-partite; anthers united, bases sagittate with obtuse to acuminate tails or auricled; styles forked (undivided in sterile florets) with narrow branches rounded at apex; all florets variably hyaline-multicellular-hairy
    Fruits
    Achenes set in pits, obovoid or more often turbinate, clearly or indistinctly ribbed, glabrous to long silky-hairy; pappus persistent, (exserted from pits), forming a usually sub-biseriate, rarely uni- or multi-seriate corona to the achene; pappus scales briefly connate at base, scarious, glabrous to hairy often dentate or erose.
    [FZ]

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

    Habit
    Perennial herbs sometimes suffrutescent with annual stems from woody rootstocks, or subshrubs.
    Indumentum
    Indumentum felted-tomentose on leaf under surfaces, araneose-tomentose elsewhere, consisting of many-celled uniseriate soft hairs with extremely long filiform white apical cells, their bases tending to become rigid and persistent.
    Leaves
    Leaves alternate, sometimes crowded on the lower stem, ± spiny, subentire to dentate, pinnatifid or pinnatisect with spinescent teeth, sometimes decurrent on the stem as spiny wings.
    Capitulum
    Capitula heterogamous and radiate or homogamous and discoid, solitary or subcorymbosely arranged.
    Phyllaries
    Phyllaries several-seriate, connate at the base, always spiny with spines sometimes slender and bristle-like.
    Receptacle
    Receptacle with deep alveolae which totally enclose the achenes leaving only the pappus exserted; the alveolae margins entire or irregularly toothed or setose.
    Florets
    Ray-florets uniseriate, neuter, corollas yellow sometimes white, always with staminodes, achenes wanting. Disk-florets hermaphrodite numerous; corollas yellow, infundibuliform, deeply 5-lobed; anther bases sagittate; style branches linear; achenes ± turbinate, ribbed, villous pubescent or glabrous; pappus ± 2-seriate, of numerous short or long scales, sometimes partly connate.

    Images

    Distribution

    Native to:

    Angola, Botswana, Cameroon, Cape Provinces, Ethiopia, Free State, Kenya, KwaZulu-Natal, Lesotho, Malawi, Mozambique, Namibia, Nigeria, Northern Provinces, Rwanda, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Great Britain, South Australia, Tasmania, Victoria, Western Australia

    Berkheya Ehrh. appears in other Kew resources:

    First published in Neues Mag. Aerzte 6: 303 (1784)

    Accepted by

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

    Literature

    Flora of West Tropical Africa
    • —F.T.A. 3: 428. Nom. cons.
    Flora Zambesiaca
    • in Kirkia 10: 74–86 (1975).
    • Roessler in Mitt. Bot. Staatss. Münch. 3: 104 (1959)
    • Beitr. 3: 137 (1788), nom. conserv.
    Flora of Tropical East Africa
    • Roessler in Mitt. Bot. Staats., München 3: 104 (1959), nom. conserv .
    • Beitr. 3: 137 (1788)

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/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