1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus serpentinus (J.Dransf.) W.J.Baker

        This species is accepted, and its native range is N. Borneo.

    [PW]
    General Description
    Clustering stemless rattan, with very short erect subterranean stem to 4 cm diam. Leaves ecirrate held very neatly and stiffly giving the whole plant a shuttle-cock like appearance, the whole leaf to 2.2 m including the sheath to 25 cm and petiole to 50 cm; leaf sheath pale buff tinged greenish, densely covered in reddish brown indumentum and armed with oblique ± reflexed partial whorls of narrow triangular laminar dark spines to 20 x 4 mm, and few partial whorls of spicules. Knee absent. Ocrea to 3 cm, ciliate hairy, disintegrating. Petiole armed with spine whorls as the sheath. Leaflets c 40 on each side of the rachis, very regular, neat, and stiffly held, coriaceous. The longest to 50 x 3 cm, acuminate in drip tips, the leaflet surfaces armed with black bristles along the main vein; transverse veiniets inconspicuous. Male and female inflorescences superficially similar, erect to 100 cm, with peduncle to 80 cm unarmed or very sparsely armed along the two lateral edges, densely reddish-brown indumentose; primary bracts papery, soon falling at anthesis; partial inflorescences 2 - 3 only; male rachillae crowded to c 25 mm only, ± zigzag; female rachillae to 60 mm with collar-like bracts. Fruit ovoid to 25 x 20 mm, beaked covered in pale brown scales; no seed details available. Seedling leaf unknown.
    Distribution
    Widespread on ultrabasic rock in Sabah. Endemic to the State.

    Images

    Distribution

    Calamus serpentinus (J.Dransf.) W.J.Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jun 16, 1980 Dransfield, J. [JD5791], Malaysia Daemonorops serpentina K000520926
    Jun 16, 1980 Dransfield, J. [JD5734], Malaysia Daemonorops serpentina K000520925
    Dransfield, J. [JD5790], Sabah Daemonorops serpentina K000207687 holotype

    First published in Phytotaxa 197(2): 149 (2015)

    Sources

    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.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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

    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