1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus psilocladus J.Dransf.

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

    [PW]
    Distribution
    Known only from forest north of Mile 74 on the Kuching to Simanggang road in the 1st Division. Endemic.
    General Description
    Solitary slender rattan climbing to 5 m tall. Stem without sheaths 6-8 mm diam., with sheaths to 12 mm diam., internodes c. 10 cm long. Sheath dull green, unarmed, covered in thin grey indumentum; knee conspicuous; ocrea inconspicuous. Flagellum to 1.5 m, armed at the base with regular horizontal spines to 10 mm long. Leaf ecirrate, to c. 55 cm long including the sparsely armed petiole to 10 cm; rachis covered with rusty-red hairs; leaflets 24 - 34 on each side, close, regular, rather stiff, becoming plicate on drying, the longest to 15 x 0.7 cm, sparsely bristly on the upper surface and margins, densely scabrid on the under surf ace. Inflorescence very slender, elongate, to 1 m with 2-4 partial inflorescences; peduncle armed as the base of the flagellum, the primary bracts ± bearded at their tips; partial inflorescences ± pendulous, to 40 cm; male rachillae 10-25 mm; female rachillae to 40 mm. Mature fruit beaked, c. 8 mm diam., covered in 13 - 14 vertical rows of yellowish to ivory-coloured scales. Seed rounded, grooved and ridged; endosperm homogeneous. Seedling leaf not known (Fig. 90).

    Images

    Distribution

    Calamus psilocladus J.Dransf. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 19, 1983 Dransfield, J. [JD6135], Malaysia K000525580
    Dransfield, J. [JD6137], Sarawak K000207854 holotype

    First published in Kew Bull. 45: 96 (1990)

    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 Sarawak. 1992

    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