1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus concinnus Mart.

        This species is accepted, and its native range is S. Myanmar to N. Peninsula Malaysia.

    [PW]
    Vernacular
    rotan ?
    Distribution
    Perlis, Kedah(Langkawi), Perak. S. Thailand, Burma.
    General Description
    Very short, perhaps rarely climbing, rattan. Stem diameter not known, but apparently forming a large rosette. Leaf sheaths apparently open throughout length, heavily armed with large straw-coloured flat, triangular spines to 2.5 cm long by 1 cm wide, occasionally longer and narrower. Knee absent. Ocrea tattering, somewhat fibrous. Flagellum absent. Petiole at least 50 cm long, armed with spines longer than those of the leaf sheath, reaching 5 cm in length. Leaflets numerous, total on each side of rachis not known, grouped in Ts to 5's, sometimes almost regular, drying pale dull green, armed with pale bristles on margins and upper side of main vein and lower surface of 3 veins, the longest to about 50 cm long by 4 cm wide. Inflorescences male and female superficially similar but the male more highly branched, apparently shorter than the leaves with perhaps 4-5 partial inflorescences. Bracts conspicuous, tattering, with reflexed triangular spines to 3 cm long by 1 cm wide. Partial inflorescence in female to 25 cm long with rachillae to 10 cm long; in male to 15 cm long with rachillae to 2.5 cm. Ripe fruit to about 8 mm in diameter rounded, conspicuously beaked, covered in 15-18 vertical rows of straw-coloured scales. Seed rugose; endosperm ± homogeneous only slightly penetrated by furrows.

    Images

    Distribution

    Native to:

    Malaya, Myanmar, Thailand

    Calamus concinnus Mart. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Wight [2763], India K000462089
    Gomez, W. [Cat. no. 8607], Myanmar K001125952
    Gomez, W. [Cat. no. 8607], Myanmar K001125953
    s.coll. [6395], Andaman Is. K000697963
    s.coll. [6394], Andaman Is. K000697964

    First published in Hist. Nat. Palm. 3: 332 (1853)

    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