1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus marginatus (Blume) Mart. ex Walp.

        This species is accepted, and its native range is Sumatera to Philippines (Palawan).

    [PW]
    Vernacular
    Uwai Pagit (Dus.), Wi Matahari (Ib.)
    Distribution
    Widespread throughout Brunei. A common Bornean rattan, also known from Sumatra and Palawan.
    General Description
    Solitary, rarely clustering, moderate to robust rattan climbing to 15 m or more, but frequently flowering when only 3-4 m tall; stem without sheaths to 18 mm diam., with sheaths to 20-35 mm diam., internodes generally rather short, not usually more than 10 cm. Sheaths dull dark green, densely armed with scattered triangular flattened black spines, 3-40 mm (in montane forms spines around the leaf sheath mouth crowded, erect, very long, to 140 mm), black indumentum abundant between the spines; knee grossly swollen; ocrea membranous, to 7 mm, usually obscured by spines. Flagellum to 5 m, heavily armed with reflexed spines. Leaf ecirrate, distinctly curved, to c. 1.5 m including the petiole to 35 cm; petiole strongly channelled on upper surface, armed with regular groups of spines 5-20 mm along the margins, and a central row of spines to 20 mm on the lower surface; leaflets 40-60 on each side of the rachis, curved, very regular, c. 3 cm apart, the longest to 35 × 1.5 cm, leaflet margins slightly but distinctly thickened, unarmed on the upper surface, lower surface with 3-5 main veins armed with close very short bristles, transverse veinlets conspicuous. Inflorescence flagellate, very long, to 5 m or more, bearing up to 5 very distant pendulous partial inflorescences, to 1 m or more long, in male partial inflorescences branching twice to give short dark brown rachillae to 2 cm, bearing dense distichous flowers, in female branching once to give rachillae c. 20 cm long, bearing lax distichous flowers. Mature fruit ovoid, c. 16 × 12 mm, tipped with a beak to 2 mm and covered in 15 vertical rows of reddish-brown scales. Seed to 12 × 8 × 7 mm, deeply pitted; endosperm deeply ruminate. Seedling leaf pinnate with 6 very narrow leaflets held in a fan. (Fig. 68).
    [PW]
    Use
    Produces a coarse but durable cane of poor appearance, much used for the frameworks of carrying baskets.

    Images

    Distribution

    Native to:

    Borneo, Philippines, Sumatera

    Calamus marginatus (Blume) Mart. ex Walp. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 16, 2007 Baja-Lapis, A. [297], Philippines K000462823
    Apr 14, 2005 Watanabe, N.M. [NMW63], Brunei K000209427
    Feb 20, 1997 Church [2286], Indonesia K000114085
    Jul 14, 1996 Wong, K.M. [WKM142], Brunei K000114027
    Dec 22, 1993 Van Valkenburg [1188], Indonesia K000114066
    Dec 15, 1993 Kandaong [1], Malaysia K000114048
    May 10, 1993 Bernstein, J. [338], Brunei K000114047
    Oct 23, 1992 Lee, B. [S52570], Malaysia K000114025
    Oct 23, 1992 Awa [S50798], Malaysia K000114026
    Oct 9, 1992 Awa [S51197], Malaysia K000114030
    Oct 7, 1992 Awa [S50721], Malaysia K000114071
    Jan 31, 1992 Stockdale, M.C. [MCS134], Indonesia K000114067
    Jan 1, 1992 Stockdale, M.C. [64], Brunei K000114064
    Jan 31, 1991 Stockdale, M.C. [MCS105], Indonesia K000114068
    Sep 14, 1990 Wong, K.M. [1622], Brunei K000114063
    Jul 14, 1990 Wong, K.M. [790], Brunei K000114073
    Dec 17, 1984 Mogea, J.P. [3676], Indonesia K000114029
    Dec 17, 1984 Mogea, J.P. [3769], Indonesia K000114080
    Aug 10, 1983 Anderson [S25110], Malaysia K000114018
    Aug 24, 1982 Dransfield, J. [JD6021], Malaysia K000114056
    Aug 24, 1982 Dransfield, J. [JD6019], Malaysia K000114055
    Aug 24, 1982 Dransfield, J. [JD6018], Malaysia K000114054
    Apr 7, 1981 Paie [S42586], Malaysia K000114016
    Aug 20, 1980 Clemens [31498], Malaysia K000114079
    Aug 20, 1980 Dransfield, J. [JD5582], Malaysia K000114075
    Aug 20, 1980 Dransfield, J. [JD5536], Malaysia K000114058
    Aug 20, 1980 Dransfield, J. [JD5541], Malaysia K000114031
    Aug 20, 1980 Dransfield, J. [JD5754], Malaysia K000114034
    Aug 20, 1980 Abas [SAN85948], Malaysia K000114028
    Aug 20, 1980 Tiong [SAN85887], Malaysia K000114081
    Apr 10, 1980 Abas [SAN85876], Malaysia K000114019
    Nov 29, 1979 Mogea, J.P. [714], Indonesia K000114077
    May 16, 1979 Chin [S.C.2848], Malaysia K000114060
    Jan 4, 1979 Clemens, J. [28650], Borneo K000208123 isotype
    Jan 4, 1979 Ashton, P. [S18621], Malaysia K000114084
    Jan 4, 1979 Chew [21], Malaysia K000114039
    Jan 4, 1979 Chew [RSNB4356], Malaysia K000114036
    Jan 4, 1979 Clemens [28844], Malaysia K000114062
    Jan 4, 1979 Clemens [50757], Malaysia K000114059
    Jan 4, 1979 Clemens [50794], Malaysia K000114083
    Jan 4, 1979 Clemens [28375], Malaysia K000114082
    Jan 4, 1979 Clemens [50985], Malaysia K000114038
    Jan 4, 1979 Chai, P. [S19336], Malaysia K000114078
    Jan 4, 1979 Chai, P. [S39678], Malaysia K000114037
    Jan 4, 1979 Hewitt [s.n.12], Malaysia K000114014
    Jan 4, 1979 Hewitt [s.n.13], Malaysia K000114015
    Aug 24, 1976 Keith [6256], Malaysia K000114076
    Jul 7, 1976 Jawa [S36606], Malaysia K000114032
    Nov 11, 1975 Paie [S16688], Malaysia K000114011
    Aug 1, 1975 Dransfield, J. [JD4698], Malaysia K000114070
    Aug 1, 1975 Dransfield, J. [JD4699], Malaysia K000114024
    Aug 1, 1975 Dransfield, J. [JD4664], Malaysia K000114045
    May 2, 1975 Ashton, P. [S16443], Malaysia K000114010
    May 2, 1975 Endert [5082], Indonesia K000114053
    May 2, 1975 Meijer [SAN23495], Malaysia K000114074
    May 2, 1975 Meijer [SAN20682], Malaysia K000114057
    May 2, 1975 Tadong [S5357], Malaysia K000114033
    May 2, 1975 Au [S16441], Malaysia K000114040
    Clemens, J. [27009-26755], Sabah K000207809 isotype
    Clemens, J. [31497], Sabah K000114013 isotype
    Clemens [26360], Malaysia K000114012
    Mogea, J.P. [7438], Indonesia K000114243
    Mogea, J.P. [7415], Indonesia K000114242
    Dransfield, J. [JD2251], Indonesia K000114052
    Dransfield, J. [JD5270], Malaysia K000114051
    Dransfield, J. [JD5844], Malaysia K000114050
    de Vogel, E. [1628], Indonesia K000114044
    de Vogel, E. [2054], Indonesia K000114043
    Lee [S52425], Malaysia K000114072
    Hoare, A. [181], Malaysia K000114237
    Christensen [177], Malaysia K000114035
    Christensen [194], Malaysia K000114049
    Dewol [SAN97027], Malaysia K000114042
    Kirkup, D.W. [661], Brunei K000114065
    Krispinus [SAN87318], Malaysia K000114017
    Andersen, J. [185], Malaysia K000114133
    Andersen, J. [195], Malaysia K000114112
    Andersen, J. [143], Malaysia K000114106
    Awmack, C. [323], Indonesia K000114046
    Duaneh [128], Malaysia K000114069
    Abas [SAN86050], Malaysia K000114061

    First published in Ann. Bot. Syst. 3: 491 (1852)

    Accepted by

    • Baja-Lapis, A.C. (2010). A Field Guide to Philippine Rattans: 1-214. Asia Life Sciences, Laguna, Philippines.
    • 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