1. Family: Linaceae DC. ex Perleb
    1. Genus: Hugonia L.
      1. Hugonia grandiflora N.Robson

        This species is accepted, and its native range is SE. Tanzania to NE. Mozambique.

    [FTEA]

    Linaceae, Doreen L. Smith. Flora of Tropical East Africa. 1966

    Habit
    Shrub or liane.
    Twigs
    Young twigs with short chocolate-brown spreading and appressed pubescence, becoming lighter brown or cream and glabrescent with age, often with raised lenticels.
    Tendrils
    Hooks opposite.
    Leaves
    Leaf-blade oblong-elliptic to narrowly obovate, 6.5–12 cm. long, 3–5 cm. wide, shortly acuminate, remotely and slightly serrate, subcoriaceous, glabrous except on 9–12 lateral veins; tertiary venation reticulate and prominent.
    Stipules
    Stipules persistent, digitate-laciniate, with spreading subulate lobes, 5–10 mm. long, and brown indumentum.
    Flowers
    Flowers 1–2 in each leaf-axil; peduncle stout, 4–8 mm. long.
    Calyx
    Sepals ovate or elliptic, 9–10 mm. long, obtuse or subacute, with appressed chocolate-brown pubescence externally, glabrous inside.
    Corolla
    Petals obovate, 15–30 mm. long, rounded or emarginate, glabrous except for apical fringe, yellow.
    Style
    Styles 3–5, free, glabrous.
    Fruits
    Drupe subglobose, 1.5 cm. in diameter, brown.
    Figures
    Fig. 2/3, p. 5.
    Habitat
    Uncertain, probably dry evergreen forest; ± 500 m.
    Distribution
    T8
    [FZ]

    Linaceae, N. K. B. Robson. Flora Zambesiaca 2:1. 1963

    Habit
    Shrub or small liane; branches striate and with short ± spreading chocolate-brown pubescence when young, eventually (3rd year) terete, glabrescent, with cream-brown bark and numerous raised whitish lenticels.
    Leaves
    Leaves petiolate; lamina (5) 7–12 × (2·5) 3·5–5 cm., obovate-rhombic to oblong, rounded to apiculate or shortly acuminate at the apex, broadly to narrowly cuneate or decurrent at the base, remotely and shallowly serrate, subcoriaceous, ± densely appressed- or subappressed-pubescent along the midrib above and below, on lateral nerves below and at the base of the lamina, otherwise glabrous (more rarely wholly glabrous), with the midrib and 9–12 pairs of lateral nerves impressed above and prominent below, and the densely reticulate tertiary venation prominent on both sides; petiole (5) 6–10 (11) mm. long, subappressed-chocolate-pubescent; stipules 5–10 mm. long, 3-fid or 4–7-pinnatifid with subulate lobes, long-appressed-pubescent outside, glabrous and ribbed within, persistent.
    Flowers
    Flowers solitary or paired, in axils of foliage leaves; peduncles 4–8 mm. long, stout, subappressed-chocolate-pubescent.
    Calyx
    Sepals 9–10 mm. long, ovate to lanceolate-elliptic, the outer ones acute or subacute, the inner ones rounded, shallowly vertically ribbed, appressed-chocolate-pubescent outside, glabrous within.
    Corolla
    Petals yellow, 20–30 mm. long, obovate, emarginate at the apex, with margin pubescent, otherwise glabrous.
    Stamens
    Stamens with linear glabrous filaments; anthers ovate-oblong, with apical tuft of hairs.
    Pistil
    Ovary c. 4 mm. long, ovoid, glabrous; styles 3–5, glabrous, free; stigmas broadly and obliquely capitate.
    Fruits
    Drupe c. 1·5 cm. in diameter, subglobose, with thin brown pericarp and 3–5 fertile 1-seeded loculi.
    Seeds
    Seeds c. 8 mm. long, whitish.

    Images

    Distribution

    Native to:

    Mozambique, Tanzania

    Hugonia grandiflora N.Robson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Semsei [709], Tanzania 26900.000
    Mendonça, F.A. [945], Mozambique K000435032 isotype

    First published in Bol. Soc. Brot., sér. 2, 36: 6 (1962)

    Accepted by

    • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1966). Flora Zambesiaca 2(2): 353-653. Royal Botanic Gardens, Kew.
    • Smith, D.L. (1966). Flora of Tropical East Africa, Linaceae: 1-11.
    • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • N. Robson in Flora Zambesiaca 2: 92 (1963).
    • N. Robson in Bol. Soc. Brot., sér. 2, 36: 6 (1962)

    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