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

        This species is accepted, and its native range is Borneo.

    [PW]
    Vernacular
    Podowon (Dus.), Wi Baloboh (Ib.)
    Distribution
    Known from several collections from throughout Brunei. Elsewhere in Sarawak, Sabah and once recorded in Kalimantan. Endemic to Borneo.
    General Description
    Massive clustering stemless palm with short decumbent subterranean stems to 15 cm diam. and very crowded nodes. Leaf ecirrate, to 6 m including the sheath and petiole; sheath open throughout its length, to 12 cm wide, tapering into the petiole; petiole together with sheath to 2 m long, armed with whorls of huge, slightly reflexed pale straw-coloured spines to 11 × 1 cm, with few scattered solitary spines, the petiole surface marked with the indentations of the spines in bud, and covered with deciduous pale to cinnamon-brown indumentum; rachis armed as the petiole but spines smaller and sparser; leaflets c. 35 on each side of the rachis, regularly arranged, c. 6 cm distant, the largest to 75 × 4.5 cm, dark green, concolorous, acuminate in a bristly drip-tip and armed with sparse bristles along the margins and along 3 veins on the undersurface, transverse veinlets obscure. Young leaves tinged pink. Inflorescences arching out of the crown on peduncle to 2 m or more long, frequently the inflorescence tips developing into new vegetative shoots and rooting in contact with the ground; primary branches to 12, crowded at the tip of the peduncle, subtended by tattering, brown hairy bracts to 50 cm, secondary and tertiary axes bearing conspicuous tattering bracts; male flowers relatively large, to 7 × 4.5 mm; rachillae of female inflorescence to 8 × 0.5 cm; female flower to 11 × 6 mm, dull dirty-brown except for conspicuous pink stigmas. Mature fruit very large, rather variable in shape, from ovoid to obpyriform, to 45 × 20 mm, tipped with a short beak and covered in 15-16 vertical rows of matt chestnut brown, rarely paler brown, dark margined scales. Seed irregularly grooved and angled; sarcotesta yellowish, sweet; endosperm deeply ruminate. Seedling leaf with 4 spreading leaflets. (Fig. 31, Pls 3, 5A, 6A, 7D).

    Images

    Distribution

    Calamus ingens (J.Dransf.) W.J.Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 17, 2000 Boje, K.K. [15], Malaysia Daemonorops ingens K000113430
    Jul 21, 2000 Said [BRUN17370], Brunei Daemonorops ingens K000113147
    Sep 12, 1997 Lugas [1558], Malaysia Daemonorops ingens K000525332
    Jan 1, 1995 Christensen [1830], Malaysia Daemonorops ingens K000525319
    Oct 9, 1992 Yii, P.C. [S52061], Malaysia Daemonorops ingens K000525338
    Dec 23, 1991 Sands, M.J.S. [5707], Brunei Daemonorops ingens K000525336
    Nov 29, 1991 Sands, M.J.S. [5706], Brunei Daemonorops ingens K000525331
    Sep 1, 1989 Ching, Y.P. [S53646], Malaysia Daemonorops ingens K000525316
    Aug 1, 1989 Lee, B. [S.52423], Malaysia Daemonorops ingens K000525313
    Aug 1, 1989 Awa [S47664], Malaysia Daemonorops ingens K000525321
    Jan 21, 1986 Phillips [s.n.], Malaysia Daemonorops ingens K000525322
    Aug 5, 1983 Aban [SAN94338], Malaysia Daemonorops ingens K000525325
    Aug 13, 1980 Clemens, J. [29189], Malaysia Daemonorops ingens K000525308
    Nov 5, 1979 Dransfield, J. [JD5860], Malaysia Daemonorops ingens K000525317
    Jun 15, 1979 Clemens, J. [21501], Malaysia Daemonorops ingens K000525309
    Jun 15, 1979 Clemens, J. [22083], Malaysia Daemonorops ingens K000525310
    Jun 15, 1979 Clemens, J. [22087], Malaysia Daemonorops ingens K000525306
    Jun 15, 1979 Clemens, J. [22087], Malaysia Daemonorops ingens K000525307
    Jun 15, 1979 unknown [s.n.] Daemonorops ingens K000525311
    Oct 4, 1978 Ashton, P.S. [S19778], Malaysia Daemonorops ingens K000525329
    Oct 4, 1978 Ashton, P.S. [S19042], Malaysia Daemonorops ingens K000525330
    Oct 4, 1978 Dransfield, J. [JD5287], Malaysia Daemonorops ingens K000525324
    Oct 4, 1978 Dransfield, J. [JD4672], Malaysia Daemonorops ingens K000525314
    Oct 4, 1978 Dransfield, J. [JD5286], Malaysia Daemonorops ingens K000525326
    Oct 4, 1978 Kudi [S24353], Malaysia Daemonorops ingens K000525323
    Dransfield, J. [JD780], Sarawak Daemonorops ingens K000207668 holotype
    Dransfield, J. [7403], Brunei Daemonorops ingens K000525333
    Dransfield, J. [6612], Brunei Daemonorops ingens K000525327
    Dransfield, J. [6891], Brunei Daemonorops ingens K000525335
    Dransfield, J. [7406], Brunei Daemonorops ingens K000525334
    Dransfield, J. [780], Borneo Daemonorops ingens K000208089 holotype
    Dransfield, J. [780], Borneo Daemonorops ingens K000208090 holotype
    Dransfield, J. [780], Borneo Daemonorops ingens K000208091 holotype
    Dransfield, J. [780], Borneo Daemonorops ingens K000208088 holotype
    Dransfield, J. [780], Borneo Daemonorops ingens K000208087 holotype
    Wong, K.M. [1093], Brunei Daemonorops ingens K000525337
    Wong, K.M. [1893], Brunei Daemonorops ingens K000525312
    Hoare, A. [29], Malaysia Daemonorops ingens K000114217
    Hoare, A. [208], Malaysia Daemonorops ingens K000114216
    Hoare, A. [62], Malaysia Daemonorops ingens K000114224
    Awa [S50820], Malaysia Daemonorops ingens K000525315
    Sibil [105], Malaysia Daemonorops ingens K000525328
    Simbayan [5], Malaysia Daemonorops ingens K000525318
    Bernstein, J. [183], Brunei Daemonorops ingens K000525320

    First published in Phytotaxa 197(2): 144 (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.
    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