1. Family: Euphorbiaceae Juss.
    1. Cavacoa J.Léonard

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

    [FZ]

    Euphorbiaceae, A. Radcliffe-Smith. Flora Zambesiaca 9:4. 1996

    Habit
    Dioecious shrubs or trees.
    Indumentum
    Indumentum simple.
    Leaves
    Leaves alternate, petiolate, stipulate, simple, entire, penninerved; nerves brochidodromous.
    Stipules
    Stipules soon falling, leaving conspicuous subannular scars.
    Inflorescences
    Inflorescences terminal, racemose, strobiliform when young; bracts broad, soon falling.
    Flowers
    Male flowers: pedicels jointed; calyx closed in bud, later splitting into 2(4) unequal valvate lobes; petals 4–5, free, imbricate; disk glands 4–5(6), free, alternating with the petals, fleshy; stamens 15–35, erect in bud, borne on a convex to columnar receptacle, anthers basifixed, connective broad, thick, thecae soleiform, longitudinally dehiscent; pistillode absent. Female flowers: pedicels stout, jointed; sepals (4)5, free, imbricate; petals 5, free, imbricate; disk hypogynous, cupuliform, fleshy; ovary 3–5-locular, with 1 ovule per loculus; styles 3–5, connate at the base, bifid or trifid.
    Fruits
    Fruits 3-lobed to 5-lobed, dehiscing loculicidally or septicidally into 3–5 bivalved cocci; pericarp thin, crustaceous; endocarp thick, woody; columella large, persistent.
    Seeds
    Seeds ecarunculate.
    [FTEA]

    Euphorbiaceae, A. R.-Smith. Flora of Tropical East Africa. 1987

    Habit
    Dioecious shrubs or trees with a simple indumentum
    Leaves
    Leaves alternate, petiolate, stipulate, simple, entire, penninerved, nerves usually brochidodromous
    Stipules
    Stipules soon falling, leaving conspicuous subannular scars
    Inflorescences
    Inflorescences terminal, racemose, strobiliform when young
    Bracts
    Bracts broad, soon caducous
    Flowers
    Male flowers long-pedicellate; pedicels capillary, articulate near the base; calyx closed in bud, later splitting into 2–3(–4) unequal valvate lobes; petals 4–5, free, imbricate; disc-glands 4–5(–6), free, alternate with the petals, fleshy; stamens 15–30, erect in bud, inserted on a convex or columnar receptacle, anthers basifixed, connective broad, thick, the cells soleiform, longitudinally dehiscent; pistillode 0 Female flowers long-pedicellate; pedicels stout, articulate near the base; sepals and petals (4–)5, free, imbricate; disc hypogynous, cupuliform, fleshy; ovary 3–5-locular, with 1 ovule per locule; styles 3–5, connate at the base, 2–3-fid
    Male
    Male flowers long-pedicellate; pedicels capillary, articulate near the base; calyx closed in bud, later splitting into 2–3(–4) unequal valvate lobes; petals 4–5, free, imbricate; disc-glands 4–5(–6), free, alternate with the petals, fleshy; stamens 15–30, erect in bud, inserted on a convex or columnar receptacle, anthers basifixed, connective broad, thick, the cells soleiform, longitudinally dehiscent; pistillode 0
    Female
    Female flowers long-pedicellate; pedicels stout, articulate near the base; sepals and petals (4–)5, free, imbricate; disc hypogynous, cupuliform, fleshy; ovary 3–5-locular, with 1 ovule per locule; styles 3–5, connate at the base, 2–3-fid
    Fruits
    Fruit 3–5-lobed, dehiscing into 3–5 bivalved cocci; pericarp thin, crustaceous; endocarp thick, woody; columella large, persistent
    Seeds
    Seeds ecarunculate.

    Images

    Distribution

    Native to:

    Equatorial Guinea, Gulf of Guinea Is., Kenya, KwaZulu-Natal, Liberia, Malawi, Mozambique, Sierra Leone, Zaïre

    Cavacoa J.Léonard appears in other Kew resources:

    First published in Bull. Jard. Bot. État Bruxelles 25: 320 (1955)

    Accepted by

    • Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. 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 Zambesiaca
    • in Bull. Jard. Bot. État 25, 4: 320 (1955).
    Flora of Tropical East Africa
    • in B.J.B.B. 25: 320 (1955)

    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 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