1. Family: Pedaliaceae R.Br.
    1. Harpagophytum DC. ex Meisn.

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

    [FZ]

    Pedaliaceae, H. D. Ihlenfeldt. Flora Zambesiaca 8:3. 1988

    Habit
    Perennial herb with several prostrate annual stems from a succulent tuberous taproot, additional tubers often present on lateral roots; whole plant glabrous or subglabrous and covered with mucilage-glands.
    Leaves
    Leaves opposite, subsucculent, petiolate, very variable in shape and often polymorphic.
    Flowers
    Flowers solitary, shortly pedicelled, erect; corolla tube nearly cylindrical, constricted at the base; limb spreading; lobes of limb subequal, circular to oblate; corolla tube light purple, pink, yellow or white outside, usually more or less yellow inside; limb purple or mauve, occasionally yellow.
    Stamens
    Stamens 4, included, inserted near the base of the corolla tube; thecae divergent; staminodium present, with apical gland.
    Ovary
    Ovary bilocular; false septa absent.
    Fruits
    Fruit a woody capsule, tardily loculicidally imperfectly dehiscent, laterally compressed, with two obtuse protuberances on each face, armed with two rows of curved arms along the edges each bearing recurved spines or the edges with two rigid wings bearing recurved spines; mature fruit easily detachable (forming a “trample burr”).
    Seeds
    Seeds numerous, spreading, in 2 or 4 rows in each loculus, narrowly obovate in outline; testa irregularly reticulate, black.

    Images

    Distribution

    Native to:

    Angola, Botswana, Cape Provinces, Caprivi Strip, Free State, KwaZulu-Natal, Lesotho, Mozambique, Namibia, Northern Provinces, Swaziland, Zambia, Zimbabwe

    Harpagophytum DC. ex Meisn. appears in other Kew resources:

    First published in Pl. Vasc. Gen.: 298 (1840)

    Literature

    Flora Zambesiaca
    • Ihlenf. & Hartm. in Mitt. Staatsinst. Allg. Bot. Hamburg 13: 15–69 (1970).
    • Pl. Vasc. Gen. 1: 298 and 2: 206 (1840)

    Sources

    Art and Illustrations in Digifolia
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Flora Zambesiaca
    Flora Zambesiaca
    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