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  1. Family: Acanthaceae Juss.
    1. Crossandrella C.B.Clarke

      1. This genus is accepted, and its native range is Tropical Africa.

    [FTEA]

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

    Habit
    Shrubby herbs or shrubs
    Leaves
    Leaves opposite. Flowers single, sessile, in loose terminal spikes; bracts small, green; bracteoles 2, larger, green
    Calyx
    Calyx divided almost to base in 4 green sepals which are thickened and horny at base, dorsal and ventral broad, ventral 2-fid, lateral narrower
    Corolla
    Corolla glabrous outside, tube widened around stamens, limb split dorsally to give an obscurely 5-lobed or crenate lower lip
    Stamens
    Stamens 4, inserted in middle of tube, not on a thickened flange, subsessile; anthers 1thecous, included, oblong, rounded at both ends, finely bearded
    Ovary
    Ovary 2-locular with 2 ovules per locule;.
    Style
    Style glabrous.
    Stigma
    Stigma entire, bent.
    Fruits
    Capsule 2-seeded, woody, sessile, beaked, cracking transversely when mature. Seed discoid, tuberculate.
    Distribution
    Range: 2 species, 1 in Liberia and 1 from Nigeria eastwards to Uganda and NW Tanzania.

    Images

    Distribution

    Native to:

    Cameroon, Congo, Equatorial Guinea, Gabon, Gulf of Guinea Is., Liberia, Nigeria, Tanzania, Uganda, Zaïre

    Accepted Species

    Other Data

    Crossandrella C.B.Clarke appears in other Kew resources:

    Bibliography

    First published in Bull. Misc. Inform. Kew 1906: 251 (1906)

    Accepted by

    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Flora of West Tropical Africa

    • in Kew Bull. 1906: 251.

    Flora of Tropical East Africa

    • Heine Adansonia, Ser. 2, 11: 641 (1971)
    • Lindau E. & P. Pf. IV, 3b, Nachtr. 4: 285 (1914)
    • K.B. 1906: 251 (1906)

    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 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