1. Family: Urticaceae Juss.
    1. Urera Gaudich.

      1. This genus is accepted, and is native to Africa, Hawaii, Southern America and Northern America..

    [FZ]

    Urticaceae, I. Friis. Flora Zambesiaca 9:6. 1991

    Habit
    Dioecious woody climbers, or lianas often reaching the top of the supporting tree, mostly fixed to the substrate by adventitious, axillary roots from the stems; stinging hairs on the herbaceous parts or at least a few on the petioles and inflorescences, rarely totally absent, frequently mounted on epidermal protuberances.
    Cystoliths
    Cystoliths dot-like.
    Leaves
    Leaves alternate, petiolate; lamina simple, with an entire to dentate margin, triplinerved.
    Stipules
    Stipules fused for half to two thirds of their length, intrapetiolar.
    Inflorescences
    Inflorescences axillary, paniculate cymes.
    Flowers
    Male flowers 4–5-merous, stamens equalling the tepals in number; ovary rudimentary. Female flowers with 4 somewhat unequal tepals ± free or fused for at least three quarters of their length; staminodes absent; ovary ovoid; stigma almost sessile, penicillate.
    Fruits
    Fruit an achene, enclosed by the persistent perianth which increases in size and becomes fleshy and orange-yellow or red in fruit.
    [FTEA]

    Urticaceae, I. Friis University of Copenhagen, Denmark. Flora of Tropical East Africa. 1989

    Habit
    Woody climbers, often fixed to the substrate by adventitious axillary roots from the stems, dioecious, with stinging hairs on petioles and inflorescences, stiff hairs absent; young stems and petioles often with protuberances bearing stinging hairs
    Leaves
    Leaves alternate, petiolate, simple; stipules intrapetiolar, fused, with free tips; cystoliths punctiform or elongated
    Inflorescences
    Inflorescences of lax axillary racemes with the flowers in small cymose glomerules
    Flowers
    Male flowers 4–5-merous, with rudimentary ovary Female flowers with 4 somewhat unequal tepals fused in the lower part or with a ± completely tubular perianth bearing ± 4 indistinct teeth at the opening; staminodes absent; ovary ovoid, ± completely enclosed in the perianth; stigma almost sessile, penicillate
    Male
    Male flowers 4–5-merous, with rudimentary ovary
    Female
    Female flowers with 4 somewhat unequal tepals fused in the lower part or with a ± completely tubular perianth bearing ± 4 indistinct teeth at the opening; staminodes absent; ovary ovoid, ± completely enclosed in the perianth; stigma almost sessile, penicillate
    Fruits
    Fruit an achene, enclosed in the persistent perianth which enlarges and becomes fleshy and red in fruit.

    Images

    Distribution

    Native to:

    Angola, Argentina Northeast, Argentina Northwest, Belize, Benin, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burundi, Cabinda, Cameroon, Cape Provinces, Central African Repu, Colombia, Congo, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Ethiopia, French Guiana, Gabon, Ghana, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Haiti, Hawaii, Honduras, Ivory Coast, Jamaica, Kenya, KwaZulu-Natal, Leeward Is., Liberia, Madagascar, Malawi, Mauritius, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mozambique, Nicaragua, Nigeria, Panamá, Paraguay, Peru, Puerto Rico, Rwanda, Sierra Leone, Sudan, Suriname, Tanzania, Togo, Trinidad-Tobago, Uganda, Venezuela, Windward Is., Zambia, Zaïre, Zimbabwe

    Introduced into:

    Galápagos, New Caledonia

    Urera Gaudich. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2005 Leitão, H.F. [13115], Brazil K000973242
    May 1, 1995 Lane, P. [486], Cameroon K000027255
    Pennington, R.T. [93], Bolivia 58939.000
    Ule, E. [9329], Brazil K000973243
    Schmidt, H.H. [1735], Ghana K000040264

    First published in Voy. Uranie: 496 (1830)

    Literature

    Flora of West Tropical Africa
    • —F.T.A. 6, 2: 253.
    Flora Zambesiaca
    • Friis in Nordic Journ. Bot.5, 6: 547–553 (1986).
    • in Freyc., Voy. Monde, Bot.: 496 (1830).
    Flora of Tropical East Africa
    • G.F.P. 2: 181 (1967)
    • Engl. in E. & P. Pf. 3(1): 105 (1888)
    • G.P. 3: 383 (1880)
    • in Freyc., Voy. Monde Bot: 496 (1830)

    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

    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