1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Roystonea O.F.Cook
      1. Roystonea maisiana (L.H.Bailey) Zona

        This species is accepted, and its native range is E. Cuba.

    [PW]
    Distribution
    Endemic to the Maisí region of the province of Guantánamo, eastern Cuba, at 350-420 m altitude.
    General Description
    Trunk gray-white, to 20 m tall , 26-40(-51) cm diam. Leaves ca. 15, lowest leaves hanging below the horizontal; crownshaft ca. 1.5 m long; rachis ca. 4.8 m long; middle segments 106-118 cm long and 4.2-4.9 cm wide. Inflorescence 0.8-1.1 m long and ca. 1 m wide; prophyll and peduncular bract not seen; rachillae 20-24 em long and 1.2-2.1 mm diam. Staminate flowers white, sepals triangular, 1-1.4 mm long and 1.3-1.5 mm wide; petals elliptical to ovate, 4.2- 5.7 mm long and 2,5- 2.9 mm wide; stamens 6, 3.7-6.5 mm long, filaments awl-shaped, 2.4-4.4 mm long, anthers 2.5-4.2 mm long; pistillode minute. Pistillate flowers white, 2-3.5 per cm; sepals reniform, 1.3- 1.7 mm long and 2.5-3.5 mm wide; petals ovate, 2.7-3.5 mm long; staminode 6-lobed, 2.1- 2.3 mm long, free for 0.7-1 mm; gynoecium 2.3-2.6 mm long and 1.7-2.2 mm diam. Fruits ellipsoid, gibbous, 10-13.7 mm long, 7.9-9.2 mm dorsiventral thickness, and 7.5-9.5 mm wide; epicarp black, stigmatic scar plain; endocarp ellipsoid, 8.8-10.3 mm long, 5.9-7.4 mm dorsiventral thickness, and 5.8-7.4 mm wide; seed ellipsoid, 7.6-10 mm long, 4.6-5.9 mm dorsiventral thickness, and 5.2-6.8 mm wide; raphe circular. Eophyll linear-lanceolate, 12-15 cm long and 1.2-2.2 cm wide, stipitate, short costate.
    Vernacular
    Palma negra.
    [PW]
    Use
    The palm is used, as other species are in eastern Cuba, for timber, thatch, and hog feed.

    Distribution

    Roystonea maisiana (L.H.Bailey) Zona appears in other Kew resources:

    First published in Fl. Neotrop. Monogr. 71: 22 (1996)

    Accepted by

    • Acevedo-Rodríguez, P. & Strong, M.T. (2005). Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands Contributions from the United States National Herbarium 52: 1-415.
    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Palmweb - Palms of the World Online
    • Zona, S. 1996. Roystonea.(Arecaceae: Arecoideae). Flora Neotropica Monograph 71, 1-35.

    Sources

    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

    Palmweb - Palms of the World Online
    Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
    Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-nc-sa/3.0