1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus conspectus W.J.Baker

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

    [PW]
    Distribution
    In Sarawak known from three collections from the Mulu National Park, 4th Division. Otherwise known only from the type from W Kalimantan. Endemic to Borneo.
    General Description
    Solitary or clustered, rather massive erect rattan', stem very short, not exceeding 2 m, without sheaths c. 20 mm diam., with sheaths c. 50 - 60 mm diam., internodes very short. Sheath splitting opposite the petiole, bright green, armed with large flattened golden-yellow spines to 40 x 5 mm, scattered or arranged in groups, brown indumentum abundant between the spines; knee absent. Leaf massive, ecirrate, to 2.75 m including the petiole; petiole to 1 m, armed laterally with large triangular flattened spines to 40 x 5 mm, arranged singly or, near the base, in groups, interspersed with scattered much smaller spines; leaflets c. 17 on each side of the rachis, arranged in pairs, the leaflets of each pair inserted very close together and ± diverging, lanceolate, ± acute, the longest to 55 x 3 cm, apparently unarmed, transverse veinlets slender, sinuous, not very conspicuous. Inflorescence arching or pendulous, much shorter than the leaves, to 50 -100 cm long, the peduncle slender, armed with slender spines, partial inflorescences 2-4, crowded at the peduncle tip; prophyll and primary bracts dull brown rather papery, soon shed; partial inflorescences rather lax with short rachillae, the male to 25 mm bearing large dull brown flowers to 7 x 5 mm; female rachillae to 3 cm, the flowers to 8 x 6 mm. Mature fruit very large, ovoid, c. 35 x 30 mm, beaked, covered in 15 vertical rows of light brown (green when young) scales with darker margins. Seed ovoid, c. 24 x 20 mm; endosperm deeply ruminate. Seedling not known (Fig. 36).

    Distribution

    Calamus conspectus W.J.Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 5, 1993 Awa [50509], Malaysia Daemonorops spectabilis K000113959
    Oct 9, 1992 Yii, P.C. [52060], Malaysia Daemonorops spectabilis K000113960
    Dec 17, 1991 Yii, P.C. [44652], Malaysia Daemonorops spectabilis K000113963
    Dec 17, 1991 Awa [46670], Malaysia Daemonorops spectabilis K000113961
    Dec 17, 1991 Awa [12], Malaysia Daemonorops spectabilis K000113962
    Dec 18, 1978 Whitmore, T. [3128], Malaysia Daemonorops spectabilis K000113966
    Sep 29, 1978 Moore, H.E. [9149], Malaysia Daemonorops spectabilis K000113955
    Aug 21, 1978 Dransfield, J. [5328], Malaysia Daemonorops spectabilis K000113965
    Aug 21, 1978 Chai, P. [39677], Malaysia Daemonorops spectabilis K000113964
    Mohtar [49493], Malaysia Daemonorops spectabilis K000113967

    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