1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus grandis Griff.

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

    [PW]
    General Description
    Clustering robust rattan climbing to 20 m tall. Stem without sheaths to about 3 cm in diameter, with sheaths to about 5 cm, occasionally very much thinner; internodes to about 25 cm long. Sheaths pale green to pale brownish armed with scattered or partially whorled blackish spines to 5 cm long, usually less, and scattered dark brown indumentum. Knee conspicuous; ocrea poorly developed. Whole leaf to 3.5 m long, occasionally even more; petiole to 40 cm armed with short grouped spines along the edges; rachis and petiole tinged crimson when young; cirrus to 1.75 m. Leaflets about 30 cm each side of the rachis, rather distant, broad dull bluish green, not shining, when young, very dark green when old, the longest to 50 cm long by 4.5 cm wide, very sparsely bristly or unarmed. Inflorescences male and female very similar, sessile ± erect, to 40 cm long by 15 cm wide, terminating in a beak to 15 cm long, all inner bracts enclosed in the outermost; outermost bract rather densely armed with black spines scattered and grouped, and dense chocolate-coloured indumentum. Ripe fruit rounded to 2.5 cm in diameter, shortly beaked, covered in 14-16 vertical rows of pale yellowish brown scales with dark margins (greenish when immature). Seed rounded or somewhat angular, to about 2 cm in diameter, deeply ruminate. Seedling leaf with about 6 broad pinnae, dull, bluish green in colour.
    Vernacular
    rotan sendang
    Distribution
    Perak, Pahang, Selangor, Negri Sembilan, Malacca, Singapore: Endemic.

    Images

    Distribution

    Native to:

    Malaya, Thailand

    Calamus grandis Griff. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Griffith [6379], Peninsular Malaysia Daemonorops grandis K000207608 isotype
    Griffith [s.n.], Peninsular Malaysia Daemonorops grandis K000207614 Unknown type material
    Griffith [s.n.], Peninsular Malaysia Daemonorops grandis K000207607 isotype
    Griffith [s.n.], Peninsular Malaysia Daemonorops grandis K000207613 isotype
    Griffith [s.n.], Peninsular Malaysia Daemonorops grandis K000687915 Unknown type material
    Furtado, C.X. [33016], Peninsular Malaysia Daemonorops grandis K000207611 holotype
    Furtado, C.X. [33016], Peninsular Malaysia Daemonorops grandis K000207610 holotype
    Furtado, C.X. [33016], Peninsular Malaysia Daemonorops grandis K000207609 holotype
    Furtado, C.X. [33016], Peninsular Malaysia Daemonorops grandis K000207612 holotype
    Furtado, C.X. [33045], Peninsular Malaysia Daemonorops grandis K000207616 Unknown type material
    Furtado, C.X. [33045], Peninsular Malaysia Daemonorops grandis K000207617 Unknown type material
    Furtado, C.X. [33045], Peninsular Malaysia Daemonorops grandis K000207615 isoparatype
    Furtado, C.X. [33040], Peninsular Malaysia Daemonorops grandis K000207606 neotype
    Furtado, C.X. [33040], Peninsular Malaysia Daemonorops grandis K000207605 neotype
    Furtado, C.X. [33040], Peninsular Malaysia Daemonorops grandis K000207604 neotype

    First published in Calcutta J. Nat. Hist. 5: 84 (1845)

    Not accepted by

    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Daemonorops grandis.]
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Daemonorops grandis.]

    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

    Kew Science Photographs
    Digital Image © Board of Trustees, RBG Kew 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