1. Family: Rubiaceae Juss.
    1. Uncaria Schreb.

      1. This genus is accepted, and its native range is Tropics & Subtropics.

    [FTEA]

    Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

    Habit
    Woody lianes or sometimes forming scrambling bushes or thickets; flowering branches bearing strongly curved hooked spines
    Leaves
    Leaves petiolate; stipules simple or 2-lobed, deciduous
    Inflorescences
    Inflorescences globose, solitary, axillary or terminal; flowers not fused, pedicellate
    Calyx
    Calyx-tube ellipsoid, the free part well developed, shallowly 5-undulate to distinctly 5-toothed, persistent
    Corolla
    Corolla-tube filiform-cylindrical, funnel-shaped at the throat; lobes 5, imbricate or quincuncial
    Stamens
    Stamens with filaments very short; anthers apiculate, 2-thecous
    Pistil
    Ovary 2-locular; placentas peltate, entirely covered with imbricated ascending ovules; style long and narrow, well exserted from the corolla; stigma slightly thickened with 2 marks on either side
    Fruits
    Fruits fusiform, dry, dehiscent, borne on accrescent pedicels
    Seeds
    Seeds small, with long fine wings from opposite ends, mostly 1 from one end and 2–3 from the other.

    Images

    Distribution

    Native to:

    Andaman Is., Angola, Assam, Bangladesh, Belize, Bismarck Archipelago, Bolivia, Borneo, Brazil North, Brazil Northeast, Brazil West-Central, Burkina, Cambodia, Cameroon, Caroline Is., Central African Repu, China North-Central, China South-Central, China Southeast, Colombia, Comoros, Congo, Costa Rica, East Himalaya, Ecuador, Equatorial Guinea, Ethiopia, French Guiana, Gabon, Ghana, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Honduras, India, Ivory Coast, Japan, Jawa, Kenya, Laos, Lesser Sunda Is., Liberia, Madagascar, Malaya, Maluku, Myanmar, Nepal, New Guinea, Nicaragua, Nicobar Is., Nigeria, Panamá, Paraguay, Peru, Philippines, Queensland, Senegal, Sierra Leone, Solomon Is., Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Taiwan, Tanzania, Thailand, Tibet, Togo, Trinidad-Tobago, Uganda, Vanuatu, Venezuela, Vietnam, West Himalaya, Zaïre

    Uncaria Schreb. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Small, D. [694], Sierra Leone 6294.000
    Coode, M.J.E. [6067], Indonesia 55455.000
    Spruce, R. [3221], Venezuela K000006439
    Spruce, R. [3221], Venezuela K000006440
    Hamilton, W.D. [45], Brazil K001049392
    Zartman, C.E. [5860], Brazil K001049391

    First published in Gen. Pl., ed. 8[a], 1: 125 (1789)

    Accepted by

    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • —F.T.A. 3:41. Nom. cons.
    Flora of Tropical East Africa
    • Ridsd. in Blumea 24: 68–100 (1978), nom. conserv.
    • Petit in B.J.B.B. 27: 442 (1957)
    • Gen.1: 125 (1789)

    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.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Interactive Key to Seed Plants of Malesia and Indo-China
    The Malesian Key Group (2010) Interactive Key to Seed Plants of Malesia and Indo-China (Version 2.0, 28 Jul 2010) The Nationaal Herbarium Nederland Leiden and The Royal Botanic Gardens Kew

    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