1. Family: Gunneraceae Meisn.
    1. Gunnera L.

      1. This genus is accepted, and its native range is Mexico to Falkland Islands, Hawaiian Islands, SE. Australia, New Zealand, Ethiopia to S. Africa, Madagascar.

    [FTEA]

    Haloragaceae, R. Boutique (Jardin botanique national de Belgique) and B. Verdcourt (Royal Botanic Gardens, Kew). Flora of Tropical East Africa. 1973

    Habit
    Perennial stemless herbs with a creeping or erect rhizome and sometimes with dioecious flowers
    Leaves
    Leaves borne on the rhizome, often very large, some{PAGE}{PAGE}times provided with stipule-like appendages; petiole equalling the limb or much longer; limb suborbicular, reniform or ovate, ± deeply cordate at the base, lobed, crenellate or dentate with glandular teeth, rarely entire
    Inflorescences
    Inflorescences borne on the rhizome, spicate, racemose or paniculate, composed either of unisexual flowers or of distinctly protandrous hermaphrodite flowers or of hermaphrodite, ♀ and ♂ flowers, the latter being apical; bracts present or absent
    Hermaphrodite
    Hermaphrodite flowers with calyx-tube ovoid or ± compressed, with (0–)2(–3) thick lobes; petals 2, small, or absent; stamens 2; ovary 1-locular; styles 2, filiform, subulate or compressed, papillose
    Male
    Male flowers with calyx-tube reduced; styles none or rudimentary
    Flowers
    Female flowers without petals Male flowers with calyx-tube reduced; styles none or rudimentary Hermaphrodite flowers with calyx-tube ovoid or ± compressed, with (0–)2(–3) thick lobes; petals 2, small, or absent; stamens 2; ovary 1-locular; styles 2, filiform, subulate or compressed, papillose
    Female
    Female flowers without petals
    Fruits
    Fruit a nutlet or drupe, almost globose or 3-angled, coriaceous to somewhat fleshy
    Seeds
    Seed 1, with a membranous testa
    Distribution
    A moderate-sized genus of 40–50 species in S. and tropical Africa, Madagascar, Indonesia, Tasmania, New Zealand, Antarctica, Hawaiian Is., Central and South America
    Note
    The single species occurring in the Flora area belongs to subgen. Gunnera (subgen. Perpensum (Burm.) Schindler).
    [FZ]

    Haloragaceae, E. J. Mendes. Flora Zambesiaca 4. 1978

    Habit
    Perennial herbs, sometimes giant, with a creeping or erect rhizome.
    Leaves
    Leaves usually tufted near the apex of the rhizome, often very large; leaf-laminae renifonn-cordate to ovate-truncate, simple to lobed, crenate to compound-dentate, rarely entire, palmatinerved; petiole equalling or longer than the lamina, sometimes provided with ochrea-like cataphylls.
    Inflorescences
    Inflorescences scapigerous, spicate, racemose or paniculate, borne on the rhizome.
    Calyx
    Calyx-lobes 2(3), equal or unequal, or absent.
    Corolla
    Petals 2, small, longer than and alternating with the calyx-lobes, or absent.
    Stamens
    Stamens 2, oppositipetalous, or absent.
    Gynoecium
    Gynoecium 1-locular; styles 2, filiform, subulate or compressed, entirely papillose.
    Flowers
    Male flowers with calyx-tube reduced and styles vestigial or absent. Female flowers apetalous. Flowers ebracteolate, bisexual or unisexual, monoecious or polygamous (male flowers towards the apex and female ones towards the base, sometimes hermaphrodite in between) or dioecious.
    Fruits
    Fruit an indehiscent nutlet or a ± globose to trigonous drupe.
    Seeds
    Seed 1; testa membranous.

    Images

    Distribution

    Native to:

    Argentina Northwest, Argentina South, Bolivia, Brazil South, Burundi, Cape Provinces, Chatham Is., Chile Central, Chile South, Colombia, Costa Rica, Ecuador, Ethiopia, Falkland Is., Free State, Guatemala, Hawaii, Honduras, Jawa, Juan Fernández Is., KwaZulu-Natal, Lesotho, Madagascar, Mexico Gulf, Mexico Southeast, Mozambique, New Guinea, New Zealand North, New Zealand South, Nicaragua, Northern Provinces, Panamá, Peru, Philippines, Rwanda, Solomon Is., Sudan, Sulawesi, Sumatera, Swaziland, Tanzania, Tasmania, Uruguay, Venezuela, Zaïre, Zimbabwe

    Introduced into:

    Azores, France, Great Britain, Ireland

    Gunnera L. appears in other Kew resources:

    First published in Mant. Pl. 1: 16 (1767)

    Accepted by

    • Mora-Osejo, L.E., Pabón-Mora, N. & González, F. (2011). Flora Neotropica, Monograph 109: 1-166.
    • Govaerts, R. (2003). World Checklist of Seed Plants Database in ACCESS G: 1-40325.

    Literature

    Flora Zambesiaca
    • Schindl. in Engl., Pflanzenr. IV, 225: 104 (1905).
    • Mant. Pl.: 16 et 121 (1767)
    • Syst. Nat. ed. 12: 587 et 597 (1767).
    Flora of Tropical East Africa
    • van der Meijden & Caspers in Fl. Males. 7: 259 (1971)
    • Bader in Webbia 19: 537, fig. 1 (1965) [world distribution]
    • Schindler in E.P. IV. 225: 104 (1905)
    • Mant. Pl.: 121 (1767)
    • in Syst. Nat., ed. 12: 597 (1767)

    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 2018. 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 2018. 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