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

        This species is accepted, and its native range is Peninsula Thailand to Peninsula Malaysia.

    [PW]
    General Description
    Clustering moderate rattan climbing to 10 m tall, often less, sometimes producing thickets. Stem without sheaths about 2 cm in diameter, with sheaths to about 3.5 cm. Inter-nodes about 20 cm long. Sheaths dull green very densely armed with dull brown spines to 3 cm long, these sometimes grouped, and very dense chocolate-coloured indumentum, the spines often paler than the indumentum. Knee well developed; ocrea inconspicuous. Whole leaf to about 2.5 m long; petiole to 30 cm long armed with scattered spines along edges. Leaflets close, regular rather narrow, about 80 on each side of the rachis the longest to about 35 cm long by 1.5 cm wide, armed with bristles on three nerves above, along margins, and on mid-nerve below. Inflorescences male and female very similar, sessile or with a short peduncle to 3 cm long, erect or sometimes nodding when fruiting, to 30 cm long by 10 cm wide, with a relatively short beak to 10 cm, all inner bracts enclosed within the outermost; outermost bract very densely armed with slender black spines to 3.5 cm and dense chocolate-coloured indumentum. Ripe fruit rounded relatively large to about 3 cm in diameter covered in 15-18 vertical rows of bright green, turning rich brown, pale margined scales. Seed to 2.5 cm in diameter somewhat angular. Endosperm deeply ruminate. Seedling leaf unknown.
    Distribution
    Perak, Pahang, Trengganu, Kelantan, Selangor: Endemic. Closely related to D. singalana of Sumatra.
    Vernacular
    rotan getah gunung

    Images

    Distribution

    Native to:

    Malaya, Thailand

    Calamus sepal (Becc.) W.J.Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nur, Md. [32853], Peninsular Malaysia Daemonorops nurii K000207642 isotype
    Feb 23, 2004 Nur, Md. [32853], Peninsular Malaysia Daemonorops sepal K000207641 isotype
    Feb 23, 2004 Nur, Md. [32853], Peninsular Malaysia Daemonorops sepal K000207640 isotype
    Feb 23, 2004 Nur, Md. [32853], Peninsular Malaysia Daemonorops sepal K000207643 isotype

    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