1. Family: Cycadaceae Pers.
    1. Cycas L.

      1. This genus is accepted, and its native range is Kenya to Mozambique and W. Pacific.

    [FTEA]

    Gymnospermae, R. Melville. Flora of Tropical East Africa. 1958

    Habit
    Shrubs or trees with simple, rarely branched, trunks clothed with woody leaf bases and bearing a crown of pinnate leaves
    Leaves
    Leaflets linear, entire, 1-nerved
    Male
    Scales of the male cones wedge-shaped, often long acuminate, closely imbricate, with ellipsoid pollen-sacs in groups of 3–5 on the lower surface
    Cones
    Female blades crowded round the stem apex, densely woolly at first, later spreading, elongated, widening upwards, with 1–5 pairs of erect ovules in marginal notches Scales of the male cones wedge-shaped, often long acuminate, closely imbricate, with ellipsoid pollen-sacs in groups of 3–5 on the lower surface
    Female
    Female blades crowded round the stem apex, densely woolly at first, later spreading, elongated, widening upwards, with 1–5 pairs of erect ovules in marginal notches
    Seeds
    Seeds ellipsoid or globose.

    Images

    Distribution

    Native to:

    Aldabra, Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is., China South-Central, China Southeast, Christmas I., Comoros, East Himalaya, Fiji, Gilbert Is., Hainan, Haiti, India, Japan, Jawa, Kenya, Laos, Lesser Sunda Is., Madagascar, Malaya, Maluku, Marianas, Marshall Is., Mozambique, Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, Nicobar Is., Northern Territory, Philippines, Queensland, Samoa, Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Tonga, Tuvalu, Vanuatu, Vietnam, Vietnam, Western Australia

    Introduced into:

    Alabama, Mauritius, Niue, Rodrigues, Réunion

    Cycas L. appears in other Kew resources:

    First published in Sp. Pl.: 1188 (1753)

    Accepted by

    • Lindstrom, A.J., Hill, K.D. & Stanberg, L.C. (2009). The genus Cycas (Cycadaceae) in Indonesia Telopea 12: 385-418.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Flora of Tropical East Africa
    • Sp., Pl : 1188 (1753)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Interactive Key to Seed Plants of Malesia and Indo-China
    The Malesian Key Group (2010) Interactive Key to Seed Plants of Malesia and Indo-China (Version 2.0, 28 Jul 2010) The Nationaal Herbarium Nederland Leiden and The Royal Botanic Gardens Kew

    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