1. Family: Rubiaceae Juss.
    1. Richardia L.

      1. This genus is accepted, and its native range is Tropical & Subtropical America.

    [FTEA]

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

    Habit
    Annual or perennial erect or prostrate hairy herbs
    Leaves
    Leaves opposite, sessile or shortly petiolate, mostly ovate, elliptic or oblong, the lateral nerves evident; stipule-sheath connate with the petioles, bearing several fimbriae
    Flowers
    Flowers hermaphrodite or said sometimes to be polygamo-dioecious, not heterostylous, small, in dense terminal heads enclosed in an involucre formed of (2–)4 leaves which are several-nerved from the base
    Calyx
    Calyx-tube turbinate or subglobose, the limb deeply lobed; lobes 4–8, lanceolate, ovate or subulate, persistent
    Corolla
    Corolla shortly funnel-shaped; lobes 3–5, ovate to lanceolate; throat glabrous but tube with a narrow area of hairs inside near the base
    Stamens
    Stamens with anthers exserted
    Pistil
    Style filiform; stigmas 3–4, linear or spathulate, exserted
    Ovary
    Ovary 3–4-locular; ovules solitary, affixed to the middle of the septum
    Fruits
    Capsule 3–4-coccous, crowned by the persistent calyx, eventually splitting into separate cocci, sometimes leaving a very small persistent axis Cocci mostly obovoid, smooth or more often muricate or papillose
    Seeds
    Seeds oblong-ellipsoid or obovoid, dorsally convex, ventrally with 2 grooves; endosperm corneous.

    Images

    Distribution

    Native to:

    Alabama, Argentina Northeast, Argentina Northwest, Arkansas, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Central American Pac, Colombia, Costa Rica, Cuba, Ecuador, El Salvador, Florida, French Guiana, Georgia, Guatemala, Guyana, Honduras, Jamaica, Kentucky, Louisiana, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mississippi, Nicaragua, North Carolina, Panamá, Paraguay, Peru, South Carolina, Texas, Uruguay, Venezuela, Virginia

    Introduced into:

    Angola, Assam, Bangladesh, Benin, Burkina, Cameroon, Cape Provinces, China Southeast, Cook Is., Fiji, Ghana, Hainan, Hawaii, India, Indiana, Ivory Coast, Jawa, Kenya, KwaZulu-Natal, Malawi, Mauritius, Mozambique, Myanmar, New Guinea, New Jersey, New South Wales, Nigeria, Norfolk Is., Northern Provinces, Philippines, Puerto Rico, Queensland, Sri Lanka, Taiwan, Tanzania, Thailand, Uganda, Zambia, Zaïre, Zimbabwe

    Richardia L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Souza, E.B. [1056], Brazil K001204622
    Leal, S. [50], Brazil K001204621
    Heckman, C. [s.n.], Brazil K001204623

    First published in Sp. Pl.: 330 (1753)

    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: 242.
    Flora of Tropical East Africa
    • L., Gen. Pl., ed. 5: 153 (1754)
    • Sp. Pl.: 330 (1753)

    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/

    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