1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Species: Calamus perakensis Becc.
        1. Calamus perakensis var. perakensis

        This variety is accepted, and its native range is Peninsula Malaysia.

    [PW]
    Vernacular
    rotan dudok
    General Description
    Clustering acaulescent to very shortly climbing rattan with stems decumbent, rarely rigidly erect, to 3 m long. Stem without sheaths about 2 m in diameter, with sheaths to 4 cm or more. Sheaths cinnamon brown, armed with long or short darker brown spines to 3 cm long and dense brown indumentum; spines around leaf sheath mouth much large, papery, erect, to 12 cm Icing. Knee absent. Flagellum absent. Leaf ecirrate, arcuate to 2 m long including the petiole to 40 cm long; petiole armed with short reflexed, triangular spines, to 1 cm long, those near the base occasionally much longer; brown indumentum abundant between the spines. Leaflets rather close, regular, to about 40 on each side of the rachis the longest near the base, to 25 cm long by 2 cm wide, decreasing markedly to tip where terminal leaflets are about 10 cm long by 1 cm wide, usually nearly divergent. Inflorescences male and female superficially similar, usually erect, but sometimes arcuate, varying considerably in size and degree of branching, but always with conspicuous cinnamon brown bracts, with tattered limbs; partial inflorescences 2-6 in number. Rachillae about 3 cm long. More or less mature fruit rounded about 2 mm in diameter, shortly beaked covered in 18-20 vertical rows of red-brown scales. Seed rounded. Endosperm homogeneous. Seedling leaf bifid.
    Distribution
    Perak, Pahang, Selangor. West Sumatra.
    [PW]
    Use
    Occasionally used for making walking sticks.

    Distribution

    Calamus perakensis var. perakensis appears in other Kew resources:

    Accepted by

    • 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
    • J. Dransfield, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979

    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