1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus scabridulus Becc.

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

    [PW]
    General Description
    Clustering rattan climbing to 20 m tall. Stem without sheaths to 1.2 cm in diameter, with sheaths to 3 cms, with internodes to 15 cm. Sheaths pale green armed with rather uniform ± horizontal triangular green spines to 1.2 cm long and 5 mm wide, scattered dark indumentum and slight rough horizontal ridges between the spines. Knee conspicuous, armed with rough ridges. Ocrea inconspicuous. Flagellum to 2 m long. Leaf ecirrate, to about 1 m long, with petiole to 12 cm; leaflets to about 15 on each side of the rachis, rather distant, and broad, the longest to 40 cm long by 3 cm wide, armed with short bristles on 3 nerves above, ± unarmed below, the terminal 2 leaflets joined shortly. Inflorescences male and female superficially similar, to about 3 m long with about 8 partial inflorescences to 60 cm long each. Male rachillae about 12 mm long; female to 3 cm long; all bracts in inflorescences densely covered with minute prickles. Ripe fruit unknown. Seedling leaf bifid.
    Distribution
    Rare: only known from Selangor, Trengganu and Johore in Malaya; elsewhere in Billiton.
    Vernacular
    rotan kerai
    [PW]
    Use
    Cane of moderate to good quality, collected as rotan kerai''.

    Distribution

    Native to:

    Borneo, Malaya, Sumatera

    Calamus scabridulus Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mar 11, 1987 Sutsima [069], Indonesia K000462428
    Motley [658], Indonesia K000521310

    First published in Rec. Bot. Surv. India 2: 203 (1902)

    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, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979

    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