1. Family: Acanthaceae Juss.
    1. Whitfieldia Hook.

      1. This genus is accepted, and is native to Africa..

    [FTEA]

    Acanthaceae (part 2), Kaj Vollesen. Flora of Tropical East Africa. 2008

    Habit
    Erect or scandent shrubs; cystoliths conspicuous or not, elongated to ± dot-like; stems rounded or subquadrangular
    Leaves
    Leaves opposite, with strongly raised midrib, with scattered sessile scale-like glands
    Flowers
    Flowers single, aggregated into terminal racemiform or paniculate cymes; bracts large or small, not strobilate, often whitish and caducous; bracteoles large, often whitish
    Calyx
    Calyx large, petaloid, often whitish, deeply divided into 5 subequal linear-oblong sepals
    Corolla
    Corolla large, puberulous and/or glandular on the outside, basal tube curved just below throat, long and linear or shorter, throat conspicuous; lobes 5, contorted in bud
    Stamens
    Stamens 4 (but see note under W stuhlmannii), subequal or didynamous, inserted near base of throat, exserted or included; filaments linear; anthers 2-thecous, oblong, thecae subequal, rounded at both ends
    Ovary
    Ovary 2locular, 4-ovulate.
    Style
    Style sparsely hairy, sometimes articulated just above ovary.
    Stigma
    Stigma of 2 capitate lobes
    Fruits
    Capsule 2–4-seeded, clavate, with solid contracted base, laterally flattened, glabrous
    Seeds
    Seed discoid, glabrous, with concentric ridges and jagged edge
    Note
    12 species in tropical Africa. Most diverse in the rainforests of the Guineo-Congolian Region.

    Images

    Distribution

    Native to:

    Angola, Benin, Cabinda, Cameroon, Central African Repu, Congo, Ethiopia, Gabon, Guinea, Gulf of Guinea Is., Ivory Coast, Kenya, Mozambique, Nigeria, Rwanda, Sierra Leone, Sudan, Tanzania, Uganda, Zambia, Zaïre

    Whitfieldia Hook. appears in other Kew resources:

    First published in Bot. Mag. 71: t. 4155 (1845)

    Literature

    Flora of West Tropical Africa
    • —F.T.A. 5: 65.
    Flora of Tropical East Africa
    • Bot. Mag. 71: t. 4155 (1845)
    • Syst. Bot. 26: 104 (2001)
    • Belg. J.Bot. 125: 89 (1992)
    • F.T.A. 5: 65 (1899)
    • DC., Prodr. 11: 220 (1847)
    • G.P. 2: 1085 (1876)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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