1. Family: Cymodoceaceae Vines
    1. Halodule Endl.

      1. This genus is accepted, and its native range is Tropical & Subtropical coasts.

    [FTEA]

    Cymodoceaceae, Henk Beentje. Flora of Tropical East Africa. 2002

    Habit
    Submerse aquatic herbs; rhizome creeping, monopodial, with 2 vascular bundles; at each node 1-several roots and a short erect stem bearing 1– 4 leaves
    Leaves
    Leaves with sheath 1– 6 cm long, semi-persistent, when shed leaving circular scar; blade linear, entire, narrowed at base, with 3 veins and conspicuous midrib which is widened or furcate at apex
    Flowers
    Flowers solitary and terminal, enclosed in a leaf similar to others; bud in axil of penultimate leaf develops into prolongation of main axis giving rise to a sympodium; staminate flower subsessile, of 2 anthers attached at different levels, joined basally; carpellate flowers subsessile, of 2 free ovaries, each with a long style
    Fruits
    Fruit subglobose-ovoid, shortly beaked, ± compressed, with stony pericarp.

    Images

    Distribution

    Native to:

    Alabama, Aldabra, Andaman Is., Angola, Bahamas, Bangladesh, Belize, Bermuda, Borneo, Brazil Northeast, Brazil Southeast, Caroline Is., Cayman Is., Colombia, Costa Rica, Cuba, Dominican Republic, Egypt, Eritrea, Fiji, Florida, Gabon, Guatemala, Gulf of Guinea Is., Gulf States, Hainan, Haiti, Honduras, India, Iran, Jamaica, Jawa, Kenya, KwaZulu-Natal, Leeward Is., Lesser Sunda Is., Louisiana, Madagascar, Malaya, Maluku, Marianas, Mauritania, Mauritius, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mississippi, Mozambique, Mozambique Channel I, Myanmar, Nansei-shoto, Netherlands Antilles, New Caledonia, New Guinea, Nicaragua, Nicobar Is., North Carolina, Oman, Palestine, Panamá, Philippines, Puerto Rico, Queensland, Saudi Arabia, Senegal, Seychelles, Socotra, Somalia, South China Sea, Sri Lanka, Sudan, Sulawesi, Taiwan, Tanzania, Thailand, Tonga, Trinidad-Tobago, Turks-Caicos Is., Venezuela, Vietnam, Western Australia, Windward Is., Yemen

    Halodule Endl. appears in other Kew resources:

    First published in Gen. Pl., Suppl. 1: 1368 (1841)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • den Hartog in Blumea 12: 289-312 (1964).
    • Gen. Pl. Suppl. 1: 1368 (1841)
    Flora of Tropical East Africa
    • Sea-grasses of the World: 146 (1970)
    • Hartog in Blumea 12: 289– 382 (1964)
    • Asch. in Linnaea 35: 163, 187 (1868)
    • Gen. Pl. suppl. 1: 1368 (1841)

    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 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