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

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

    [PW]
    Vernacular
    lumpit kecil
    General Description
    Clustering thicket-forming, very short-stemmed apparently hapaxanthic palm, with stems rarely more than 2 m tall, ± stemless in vegetative state. Rosette leaves ecirrate to about 4 m long with petiole to 2.2 m; sheaths pale greeny brown armed with scattered black spines to 3 cm long and chocolate-coloured indumentum; knee absent in rosette leaves. Leaflets about 80 on each side of the rachis, regular, rather narrow, the largest to about 45 cm long by 1.5 cm wide, sparsely armed with bristles on the 3 nerves above, along the margins, and on the main nerve beneath. Sheaths of flowering stem with slight knee, armed as other sheaths. Upper leaves short, rarely more than 40 cm long including a cirrus to 15 cm and petiole to 10 cm; leaflets about 15-20 on each side. Inflorescences decreasing in size from below upwards, the lower inflorescences about 15cm long by 7 cm wide, the uppermost to 5 cm long by 1.5 cm wide; beak varying from about 2-7 cm long. Outermost bract enclosing all the others, with black spines to 3 cm long by 3 mm wide in lower inflorescences, in upper inflorescences almost unarmed; bract often densely chocolate-coloured indumentose. Ripe fruit rounded or somewhat oblong about 2 cm in diameter covered in 15-16 vertical rows of scales, bright green, later turning yellowish brown to cinnamon brown, variously with pale or dark margins. Seed rounded about 1.2 cm in diameter. Endosperm deeply ruminate.
    Distribution
    Kedah, Penang, Perak, Johore, Singapore. Sumatra.

    Images

    Distribution

    Native to:

    Malaya, Sumatera, Thailand

    Calamus lewisianus Griff. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Griffith [s.n.], Peninsular Malaysia Daemonorops lewisiana K000207645 isotype
    Griffith [s.n.], Peninsular Malaysia Daemonorops lewisiana K000207646 isotype
    Kunstler, H. [2537], Peninsular Malaysia Daemonorops lewisiana K000207636 isotype
    Kunstler, H. [2537], Peninsular Malaysia Daemonorops lewisiana K000207635 isotype
    Kunstler, H. [2537], Peninsular Malaysia Daemonorops lewisiana K000207634 isotype

    First published in Calcutta J. Nat. Hist. 5: 87 (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 lewisiana.]
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Daemonorops lewisiana.]

    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