1. Family: Rubiaceae Juss.
    1. Crossopteryx Fenzl

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

    [FTEA]

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

    Habit
    Shrubs or trees
    Leaves
    Leaves opposite, shortly petiolate; stipules interpetiolar, triangular, subpersistent
    Flowers
    Flowers fairly small, strongly scented, numerous in dense branched terminal corymbose panicles
    Calyx
    Calyx-tube obovoid or globose; teeth 4–6, erect obtuse, deciduous
    Corolla
    Corolla hypocrateriform; tube slender, not hairy at the throat; lobes 4–6, contorted, spreading
    Stamens
    Stamens 4–6, inserted at the mouth of the tube; filaments very short
    Pistil
    Ovary 2-locular; placentas affixed peltately to the septum; ovules few in each locule, imbricate-adpressed; style filiform, long-exserted; stigma clavate or ellipsoid, 2-lobed
    Fruits
    Capsule ellipsoid or globose, crustaceous, loculicidally splitting into 2 persistent valves, each divisible into 2 parts along the septum, few-seeded
    Seeds
    Seeds peltate, dorsally very compressed; nucleus ovoid; testa membranous, expanded into a broad lobulate and elegantly fimbriate wing; albumen sparse, fleshy.
    [FZ]

    Rubiaceae, D.M.Bridson & B.Verdcourt. Flora Zambesiaca 5:3. 2003

    Habit
    Shrubs or trees.
    Leaves
    Leaves opposite, shortly petiolate; stipule limbs triangular, ± free subpersistent.
    Flowers
    Flowers fairly small, strongly scented, numerous in dense branched terminal corymbose panicles.
    Calyx
    Calyx tube obovoid or globose; limb-tube reduced; teeth 4–6, erect, obtuse, deciduous.
    Corolla
    Corolla hypocrateriform; tube slender, not hairy at the throat; lobes 4–6, contorted to the left, spreading.
    Stamens
    Stamens 4–6, inserted at the mouth of the tube; filaments very short.
    Pistil
    Ovary 2-locular; placentas affixed peltately to the septum; ovules few in each locule, imbricate-appressed; style filiform, long- exserted; pollen presenter clavate or ellipsoid, 2-lobed.
    Fruits
    Capsule ellipsoid or globose, crustaceous, loculicidally splitting into 2 persistent valves, each divisible into 2 parts along the septum, few-seeded.
    Seeds
    Seeds peltate, dorsally very compressed; nucleus ovoid; testa membranous, expanded into a broad lobulate and elegantly fimbriate wing; albumen sparse, fleshy.

    Images

    Distribution

    Native to:

    Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Caprivi Strip, Central African Repu, Chad, Congo, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Malawi, Mali, Mozambique, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

    Crossopteryx Fenzl appears in other Kew resources:

    First published in S.L.Endlicher & E.Fenzl, Nov. Stirp. Dec.: 45 (1839)

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

    Literature

    Flora of West Tropical Africa
    • K. Schum. in E. & P. Pflanzenfam. 4, 4: 51 (1891).
    • —F.T.A. 3: 43
    Flora Zambesiaca
    • in Endlicher, Nov. Stirp. Dec.: 45 (1839).
    Flora of Tropical East Africa
    • in Nov. Stirp. Dec. Mus. Vind.: 45 (1839)

    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

    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