1. Family: Euphorbiaceae Juss.
    1. Homalanthus A.Juss.

      1. This genus is accepted, and its native range is Tropical Asia to Pacific.

    [FTEA]

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

    Habit
    Monoecious or dioecious trees or shrubs with milky latex, commonly glabrous, rarely with a localized simple indumentum
    Leaves
    Leaves alternate, long-petiolate, stipulate, peltate or not, simple, usually entire, penninerved, with a pair of glands at the apex of the petiole; stipules readily caducous
    Inflorescences
    Inflorescences terminal or subterminal, pseudoracemose, solitary, usually bisexual, predominantly ♂ with 1 or more ♀ flowers at the base; ♂ bracts broad, with a pair of sessile glands at the base, 1–6-flowered, the lowest ones sometimes also each subtending a ♀ flower; ♀ bracts usually 1-flowered
    Flowers
    Male flowers pedicellate; sepals 1 or 2, if 2 then imbricate and vertically disposed, giving the flowers a compressed appearance; petals 0; disc 0; stamens 5–50, free, filaments very short, anthers basifixed, bilobate, longitudinally dehiscent; pistillode 0 Female flowers long-pedicellate; calyx-lobes 2–3, open, not compressed; petals 0; disc 0; ovary 2(–3)-locular, with 1 ovule per locule; styles 2(–3), connate at the base, undivided or sometimes bilobate or shortly bifid, straight, the adaxial stigmatic surface running the length of the arms, canaliculate and minutely papillulose, the abaxial surface glandular or not
    Male
    Male flowers pedicellate; sepals 1 or 2, if 2 then imbricate and vertically disposed, giving the flowers a compressed appearance; petals 0; disc 0; stamens 5–50, free, filaments very short, anthers basifixed, bilobate, longitudinally dehiscent; pistillode 0
    Female
    Female flowers long-pedicellate; calyx-lobes 2–3, open, not compressed; petals 0; disc 0; ovary 2(–3)-locular, with 1 ovule per locule; styles 2(–3), connate at the base, undivided or sometimes bilobate or shortly bifid, straight, the adaxial stigmatic surface running the length of the arms, canaliculate and minutely papillulose, the abaxial surface glandular or not
    Fruits
    Fruit 2(–3)-lobed, subindehiscent or tardily loculicidally dehiscent; endocarp thinly crustaceous; columella small, subpersistent
    Seeds
    Seeds ovoid-ellipsoid; endotesta crustaceous; caruncle fleshy, sometimes half enclosing the seed; cotyledons broad, flat.

    Images

    Distribution

    Native to:

    Bismarck Archipelago, Borneo, Caroline Is., Cook Is., Fiji, Jawa, Kermadec Is., Lesser Sunda Is., Malaya, Maluku, New Caledonia, New Guinea, New South Wales, Niue, Norfolk Is., Northern Territory, Philippines, Queensland, Samoa, Society Is., Solomon Is., Sulawesi, Sumatera, Taiwan, Thailand, Tonga, Tubuai Is., Vanuatu, Victoria, Wallis-Futuna Is., Western Australia

    Introduced into:

    Canary Is., Hawaii, New Zealand North

    Homalanthus A.Juss. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Puradyatmika, P. [10479], New Guinea 70588.000

    First published in Euphorb. Gen.: 50 (1824)

    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.

    Literature

    Flora of Tropical East Africa
    • Pax in E.P. IV. 147(5): 42 (1912)
    • G.P. 3(1): 331 (1880)
    • Euphorb. Gen. Tent.: 50, t. 16 (1824), as ‘Omalanthus’

    Sources

    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.

    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