1. Family: Rubiaceae Juss.
    1. Genus: Psydrax Gaertn.
      1. Psydrax richardsiae Bridson

        This species is accepted, and its native range is Malawi to Zambia.

    [FZ]

    Rubiaceae, D. Bridson. Flora Zambesiaca 5:2. 1998

    Habit
    Tree 3–10 m tall; young branches square in cross section, pubescent; bark dark greyish with fine vertical fissures.
    Leaves
    Leaf blades 2.2–4 × 1.4–2.6 cm, broadly elliptic to round, rounded or obtuse at apex, obtuse to rounded or sometimes truncate at base, coriaceous, moderately shiny on upper surface, usually recurved at margins, glabrous; lateral nerves in 3–4 main pairs; tertiary nerves reticulate or almost obscure; domatia present as erupted or unerupted blisters, glabrous; petioles 1.5–2.5 mm long; stipules 1.5–2 mm long, triangular with an acuminate decurrent lobe, puberulous outside.
    Flowers
    Flowers 4-merous, borne in pedunculate 15–30-flowered corymbs; peduncles 5–12 mm long puberulous; pedicels 2–4(8) mm long, puberulous; bracteoles inconspicuous.
    Calyx
    Calyx tube 1–1.25 mm long, sparsely puberulous; limb 0.5 mm long, repand, ciliate.
    Corolla
    Corolla creamy-white; tube 3–3.5 mm long, pubescent and with a ring of deflexed hairs at throat; lobes 2.75–3 × 1.5–1.75 mm, ovate, acute and thickened towards the apex.
    Anthers
    Anthers reflexed.
    Style
    Style 7.5–8.5 mm long.
    Pollen presenter
    Pollen presenter 1 mm long; disk pubescent.
    Fruits
    Fruit 7 × 10 mm, broadly oblong in outline, bilobed but only slightly indented at the apex.
    Pyrene
    Pyrene 6 × 4 × 4 mm, almost semicircular in outline with a groove extending from point of attachment to the lateral faces, and a small irregular crest from point of attachment to the apex, strongly sculptured.

    Images

    Distribution

    Native to:

    Malawi, Zambia

    Psydrax richardsiae Bridson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1984 Robson, N.K.B. [527], Malawi K000318111
    Jan 1, 1984 Fanshawe, D.B. [11874], Zambia K000318112
    Jan 1, 1984 Fanshawe, D.B. [11874], Zambia K000318113
    Jan 1, 1984 Richards, H.M. [1219], Zambia K000318114
    Jan 1, 1984 Richards, H.M. [15226], Zambia K000318115 holotype
    Jan 1, 1984 Pawek, J. [11437], Malawi K000318110

    First published in Kew Bull. 40: 703 (1985)

    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.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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 2020. 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 2020. 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