1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus castaneus Griff.

        This species is accepted, and its native range is Peninsula Thailand to N. Sumatera.

    [PW]
    Distribution
    Kedah, Kelantan, Penang, Perak, Trengganu, Pahang, Selangor, Negri Sembilan, Malacca, Johore. South Thailand, North Sumatra.
    General Description
    Clustering undergrowth acaulescent palm showing no tendency to climb. Stem decumbent, or erect, or subterranean, rarely more than 1.5 m tall, by up to 8 cm in diameter without sheaths, with very crowded nodes. Noflagellum; no cirrus. Leaves up to about 4 m long with petiole up to 1.5 m or more. Sheath and petiole dull green armed with flattened grey, yellow-based spines, and grey-brown indumentum; spines arranged in groups, very variable in length from 2 mm to 60 mm; ligule present around leaf sheath mouth, armed with small spines. Leaflets about 30-40 on each side of the rachis, to 50 cm long by 3 cm wide, regular, rather distant dark shiny green above, dull dirty grey indumentose below, armed with scattered black bristles on lower 3 nerves, on margins and sometimes on upper surface. Inflorescences borne low on the leaf sheath the origin obscured by the leaf sheath, up to about 45 cm. Female inflorescence with up to about 15 rather stiff crowded rachillae covered with dense bracts, in fruit elongating. Flowers with pinkish to crimson bracts and petals in bud, becoming pale at flower opening. Male inflorescence more highly branched, laxer and sinuose. Ripe fruit to 25 mm long by to 18 mm wide, oblong, with pronounced beak, rich chestnut brown in colour covered in 18-27 vertical rows of scales. Endosperm homogeneous. Seedling leaf with 6 leaflets, dark green above, grey indumentose below.
    [PW]
    Use
    Cane too short to be used. Leaves used for atap, immature fruit used as cough medicine by Orang Temuan.

    Images

    Distribution

    Native to:

    Malaya, Sumatera, Thailand

    Calamus castaneus Griff. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Griffith [s.n.], Peninsular Malaysia K000207712 isotype
    Griffith [s.n.], Peninsular Malaysia K000207711 isotype
    Furtado, C.X. [30919] Calamus inopinatus K000687922 isotype

    First published in Calcutta J. Nat. Hist. 5: 28 (1845)

    Accepted by

    • Barfod, A.S. & Dransfield, J. (2013). Flora of Thailand 11(3): 323-498. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
    • Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.
    • 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.
    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