1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus cristatus (Becc.) W.J.Baker

        This species is accepted, and its native range is Borneo (Sarawak).

    [PW]
    Distribution
    Rather local on ridges and slopes in lowland forest. Also in Sarawak. Endemic to Borneo.
    General Description
    Moderate clustering rather variable short-stemmed rattan climbing to about 3-4 m tall only; stem without sheaths to c. 15 mm diam., with sheaths to 30 mm diam., usually less, internodes to 20 cm long. Sheath green, armed with partial whorls of brown to black spines and spicules, the longest to c. 20 mm long, and abundant deciduous tomentum; knee inconspicuous. Leaf usually briefly cirrate, to 2 m long including the petiole to 40 cm, and cirrus to 80 cm, usually less; petiole usually bearing very conspicuous large, close, flattened, ± erect spines at the base and by the leaf sheath mouth, the longest to c. 12 cm, usually much less; leaflets c. 45 on each side of the rachis, dark green, regularly arranged, gradually tapering at both ends, the longest to c. 35 × 2 cm, usually very bristly on all nerves, but particularly on the main vein on the undersurface, transverse veinlets rather conspicuous. Inflorescences ± erect at first, the female rather lax, the male more condensed, in all up to c. 50 cm long; prophyll and other bracts thin, unarmed; male rachilla c. 15 mm long with crowded flowers; female rachilla 7-12 cm long with very distant flowers, the flower cushions oblique. Mature fruit rounded to ± oblate, c. 14 × 18 mm, with a short beak and covered with c. 16-20 vertical rows of yellowish brown scales. Seed ± rounded or oblate, c. 10 mm diam.; endosperm deeply ruminate. Seedling leaf pinnate with 3-4 pairs of narrow leaflets. (Fig. 17).

    Distribution

    Calamus cristatus (Becc.) W.J.Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 14, 2005 Watanabe, N.M. [NMW3], Indonesia Daemonorops cristata K000209391
    Apr 14, 2005 Watanabe, N.M. [NMW15], Indonesia Daemonorops cristata K000209411
    Apr 14, 2005 Watanabe, N.M. [NMW67], Indonesia Daemonorops cristata K000209414
    Apr 14, 2005 Watanabe, N.M. [NMW16], Indonesia Daemonorops cristata K000209417
    Aug 16, 2002 Othman [57792], Malaysia Daemonorops cristata K000114444
    Aug 17, 2000 Munting [55610], Malaysia Daemonorops cristata K000113681
    Jul 21, 2000 Niga [BRUN15092], Brunei Daemonorops cristata K000113153
    Dec 16, 1993 Stockdale, M.J. [MCS327], Indonesia Daemonorops cristata K000525186
    Nov 22, 1993 Van Valkenburg [1185], Indonesia Daemonorops cristata K000113977
    Oct 9, 1992 Yii, P.C. [S52034], Malaysia Daemonorops cristata K000525167
    Jun 3, 1992 Nielsen, I. [1103], Brunei Daemonorops cristata K000525176
    Jan 31, 1992 Stockdale, M.J. [MCS94], Indonesia Daemonorops cristata K000525177
    Jun 15, 1990 Lee, B. [S53886], Malaysia Daemonorops cristata K000525170
    Mar 1, 1989 Lee Meng Hock [S54102], Malaysia Daemonorops cristata K000525168
    Mar 1, 1989 Lee Meng Hock [S54176], Malaysia Daemonorops cristata K000525169
    Apr 10, 1986 Yii, P.C. [S52012], Malaysia Daemonorops cristata K000525166
    Aug 10, 1982 Clemens, J. [22343], Malaysia Daemonorops cristata K000525158
    Aug 10, 1982 Clemens, J. [22343], Malaysia Daemonorops cristata K000525159
    Aug 10, 1982 Dransfield, J. [JD6126], Malaysia Daemonorops cristata K000525180
    Aug 10, 1982 Dransfield, J. [JD6084], Malaysia Daemonorops cristata K000525183
    Apr 9, 1981 Dransfield, J. [JD5886], Malaysia Daemonorops cristata K000525165
    Apr 9, 1981 Dransfield, J. [JD5879], Malaysia Daemonorops cristata K000525173
    Aug 12, 1980 Paie [S16693], Malaysia Daemonorops cristata K000525179
    Jan 18, 1979 Paie [S19869], Malaysia Daemonorops cristata K000525174
    Jan 16, 1979 Dransfield, J. [JD4626], Malaysia Daemonorops cristata K000525172
    Nov 26, 1975 Clemens, J. [22082], Malaysia Daemonorops cristata K000525156
    Nov 26, 1975 Clemens, J. [20477], Malaysia Daemonorops cristata K000525157
    Aug 1, 1975 Dransfield, J. [JD4720], Malaysia Daemonorops cristata K000525184
    Aug 1, 1975 Dransfield, J. [JD4719], Malaysia Daemonorops cristata K000525178
    May 19, 1975 Moore, H.E. [9085], Malaysia Daemonorops cristata K000525182
    May 19, 1975 Anonymous [s.n.1], Malaysia Daemonorops cristata K000525181
    May 15, 1975 Moore, H.E. [9087], Malaysia Daemonorops cristata K000525171
    May 14, 1975 Mahiein [S27774], Indonesia Daemonorops cristata K000525155
    Dec 23, 1935 Hewitt [s.n.], Malaysia Daemonorops cristata K000525160
    Dec 23, 1935 Hewitt [s.n.], Malaysia Daemonorops cristata K000525161
    Dec 23, 1935 Hewitt [s.n.], Malaysia Daemonorops cristata K000525162
    Dec 23, 1935 Hewitt [s.n.], Malaysia Daemonorops cristata K000525163
    Dransfield, J. [J.D. 5886] Daemonorops cristata 29047.394
    Dransfield, J. [6618], Brunei Daemonorops cristata K000525175
    Lee, B. [S54526], Malaysia Daemonorops cristata K000525164
    Yii, P.C. [S52022], Malaysia Daemonorops cristata K000525185

    First published in Phytotaxa 197(2): 142 (2015)

    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.

    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