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

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

    [PW]
    General Description
    Robust clustering short-stemmed rattan with stems rarely more than 3 m long; stem without sheaths up to 25 mm diam., with sheaths to 40 mm diam.; internodes 8-12 mm. Leaf sheaths usually split opposite the petiole, pale yellowish green, densely armed with dull grey spines of varied length, scattered or arranged in horizontal or oblique partial whorls, reflexed or erect, generally to 40 x 3 mm except by leaf sheath mouth where to 120 x 4 mm, erect and ± papery; caducous chocolate-brown scales present on young sheaths. Knee hardly developed. Ocrea inconspicuous. Leaf cirrate rather massive to 2.5 m including short cirrus to 40 cm and petiole to 40 cm; petiole armed near the base with marginal groups of pale grey spines to 60 x 3 mm, and much shorter vertical spines, armature decreasing distally; leaflets c 60 on each side of the rachis, close, regularly arranged, stiff, bright green, the longest to 35 x 2.4 cm, armed with short marginal teeth; sparse bristles on 3 nerves on upper surface and a conspicuous row of bristles to 1.5 mm on lower surface of main vein; transverse veinlets crowded, somewhat sinuous, rather obscure. Male and female inflorescences superficially similar, to 70 cm, borne on short basal peduncles to 5 cm; bracts ± woody textured, the basal persistant and more densely armed than the rest, with abundant grey black spines to 25 mm pointing in all directions and a few papery spines to 60 mm at the tip, and abundant brown indumentum; partial inflorecences c 10, to c 10 cm; male rachilla c 4 mm, very slender; female rachilla c 25 x 2 mm. Fruit rounded c 10 mm diam.; other details not known.
    Distribution
    Known only from Kerakit on P. Banggi; endemic.

    Images

    Distribution

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

    Date Reference Identified As Barcode Type Status
    Nov 17, 1980 Dransfield, J. [JD5667], Malaysia Daemonorops banggiensis K000520311
    Dransfield, J. [JD5666], Sabah Daemonorops banggiensis K000207653 holotype
    Diwol, S. [SAN135133], Malaysia Daemonorops banggiensis K000520312

    First published in Phytotaxa 197(2): 141 (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