1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus paspalanthus Becc.

        This species is accepted, and its native range is Peninsula Malaysia to N. Sumatera, Borneo.

    [PW]
    Distribution
    Rare in Brunei; elsewhere throughout Borneo, local in Peninsular Malaysia.
    Vernacular
    Wi Singkau (Ib.)
    General Description
    Solitary moderate rattan, usually short-stemmed but rarely climbing to 20 m, frequently flopping to the ground and producing roots at a position about 1 cm below each node; stem without sheaths 10-15 mm diam., with sheaths to c. 40 mm diam., internodes usually rather short to 12 cm long. Sheath dull dark purplish-brown due to abundant persistent scales, armed with large dark spines 3-5 cm long except around the sheath mouth where very much larger and ± erect to 10 cm; knee very conspicuous, bulbous, grossly swollen; ocrea very long, up to c. 1 m, straw-coloured, fragile and papery, quickly disintegrating to leave almost no trace. Flagellum to 2 m long. Leaf ecirrate, to 2 m including petiole to 80 cm, but often much less;rachis covered with red-brown hairs; leaflets numerous, up to 100 on each side of the rachis, very close and regular, delicate in texture, to 30 × 1 cm, densely bristly on the lower surface. Inflorescences to 5 m or more, including the terminal flagellum; bracts tightly sheathing at the base but thin, papery and disintegrating at the tips; rachillae held at right angles to the partial inflorescence axis. Flowers strictly distichous. Fruit ± spherical, to 18 × 16 mm, covered in c. 15 vertical rows of smooth, red-brown scales with paler shiny margins. Seed ± anvil-shaped with two sharp wings, the sarcotesta extremely sour. Seedling leaf pinnate with numerous leaflets and reddish-brown hairy rachis. (Fig. 54).
    [PW]
    Use
    The cane is ± useless as it shrinks and is frequently marred by the adventitious roots. The fruit is usually much appreciated for its sourness. Seedlings would make fine ornamentals.

    Images

    Distribution

    Native to:

    Borneo, Malaya, Sumatera

    Calamus paspalanthus Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 14, 2005 Watanabe, N.M. [NMW17], Indonesia K000209413
    Sep 13, 2000 Mogea, J.P. [7388], Indonesia K000114268
    Jul 21, 2000 Joffre [BRUN17527], Brunei K000113122
    Oct 21, 1997 Lee, B. [S54683], Malaysia K000521517
    Jun 9, 1994 Ambriansyah [AA617], Indonesia K000521530
    Dec 16, 1993 Stockdale, M.C. [MCS494], Indonesia K000521513
    Dec 15, 1992 Stockdale, M.C. [MCS414], Indonesia K000521529
    Oct 23, 1992 Lee Meng Hock [S54104], Malaysia K000521509
    Oct 23, 1992 Lee Meng Hock [S54105], Malaysia K000521507
    Jan 31, 1992 Stockdale, M.C. [MCS92], Indonesia K000521532
    Oct 5, 1990 Dewol [SAN109247], Malaysia K000521510
    Dec 6, 1984 Mogea, J.P. [3869], Indonesia K000521519
    May 22, 1981 Dransfield, J. [JD6104], Malaysia K000521492
    Apr 26, 1981 Dransfield, J. [JD5971], Malaysia K000521491
    Jun 23, 1980 Mogea, J.P. [B1691], Indonesia K000521508
    Nov 15, 1979 Ludong [S37626], Malaysia K000521533
    Sep 13, 1979 Dransfield, J. [JD5654], Malaysia K000521522
    Sep 6, 1979 Dransfield, J. [JD5613], Malaysia K000521528
    Jan 1, 1976 Martin [S36918], Malaysia K000521489
    Aug 6, 1975 Dransfield, J. [JD4653], Malaysia K000521520
    Feb 24, 1975 Elmer, A.D.E. [20479], Malaysia K000521504
    Aug 14, 1974 Dransfield, J. [JD4437], Indonesia K000521525
    Jul 11, 1973 Moore, H.E. [Jr.9134], Malaysia K000521524
    Jul 11, 1973 Kostermans [s.n.], Indonesia K000521523
    Jul 11, 1973 Haron [S19938], Malaysia K000521527
    Jul 11, 1973 Paul [S27526], Malaysia K000521512
    Moore, H.E. [9086], Malaysia K000521518
    Mogea, J.P. [7434], Indonesia K000114244
    Dransfield, J. [6672], Brunei K000521516
    de Vogel, E. [1770], Indonesia K000521521
    Lobb [116], Malaysia K000521505
    Lobb [116], Malaysia K000521506
    Baker, W.J. [693], Malaysia K000521514
    Baker, W.J. [706], Malaysia K000521490
    Lee, B. [S.54522], Malaysia K000521531
    Christensen [1230], Malaysia K000521515
    Kunstler, H. [577], Peninsular Malaysia K000207777 syntype
    Kunstler, H. [577], Peninsular Malaysia K000207776 syntype
    Kunstler, H. [577], Peninsular Malaysia K000207775 syntype
    Dewol [SAN124088], Malaysia K000521526
    Stockdale, M. [513], Indonesia K000521511

    First published in J.D.Hooker, Fl. Brit. India 6: 450 (1893)

    Accepted by

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

    Literature

    Palmweb - Palms of the World Online
    • J. Dransfield, The Rattans of Brunei Darussalam. 1997

    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