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

        This species is accepted, and its native range is E. Himalaya to Taiwan and Indo-China.

    [PW]
    General Description
    High climbing rattan; stem with lealshcath 3 - 4 cm in diameter; intemodes 15-20 cm long, longitudinally striatc. Leaves cirrate; leafblade excluding cirrus to 3 m long; leafsheath pale yellow to yellowish green, covered with brown scurf and armed with thin flattened, deep brown to blackish needle-like spines in series or scattered; petiole 15 - 20 cm long, 5 cm broad at widest part; scurfy outside, flat to slightly convex above, armed below with strong digitate claws and straight spines at margins; leaflets equidistant, alternate to suboppos-ite; largest leaflets little above the base, 40 - 50 cm long or in some vigorous specimens 50 - 70 cm long, 2 - 4 cm broad at widest part; ultimate leaflets rudimentary. Inflorescence sub-axillary or inserted above the mouth of their sheaths, not very broadly fusiform after opening; peduncle 3 - 6 cm long; outer bract tapering into a long beak, reddish to reddish brown in colour. Flower branches densely scurfy at base. Male flowers oblong in bud, 5 x 2.5 mm; calyx cupular, hairy at tips; corolla with 3-obIanceolate petals; stamens 6, anthers subulate, connate and thickened at base. Rachillae in female inflorescence upto 8 cm long, sinuous; female flowers 6 - 7 in number on each side; each 5 - 5.5 mm long; calyx cupular, truncate; corolla distinctly veined, with deeply divided lanceolate petals; ovary ovoid to globose, stigmas 3, pappillose inside. Fruit globose, 1.8 cm in diameter; fruit scales in 18 longitudinal series, yellowish brown in colour with distinct darker marginal lines; seed globose, about 10mm in diameter, minutely pitted; pits filled with dark subresinous substances; endosperm ruminate.
    Distribution
    INDIA (West Bengal, Sikkim, Assam, Meghalaya), BANGLADESH, BHUTAN.
    Vernacular
    Golak bet, Cheka bet, Dudhia bet, Dangri bet, Golla bet.
    Biology
    In the eastern Himalaya it is common in the mixed forests up to 1000m.
    [PW]
    Use
    Cane is mainly used for making rough baskets, chair frames etc. Tribal people use it for tying fences and for making canes bridges.

    Images

    Distribution

    Native to:

    Assam, Bangladesh, Cambodia, China Southeast, East Himalaya, Hainan, Laos, Myanmar, Taiwan, Thailand, Vietnam

    Calamus jenkinsianus Griff. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dods [18407], Hong Kong Daemonorops margaritae K000697797 lectotype
    Apr 20, 2006 Ban, N.K. [PA140], Vietnam Daemonorops jenkinsiana K000208957
    Jul 1, 2000 Averyanov, L. [VH1033], Vietnam Daemonorops jenkinsiana K000462468
    Jul 1, 2000 Averyanov, L. [VH2230], Vietnam Daemonorops jenkinsiana K000462499
    Jun 1, 2000 Khamphone [373], Laos Daemonorops jenkinsiana K000114566
    Jun 1, 2000 Oulathong [202], Laos Daemonorops jenkinsiana K000114541
    Feb 1, 1999 Oulathong [210], Laos Daemonorops jenkinsiana K000114550
    Feb 1, 1904 s.coll. [s.n.] Daemonorops jenkinsiana K000697804 Unknown type material
    Feb 1, 1904 s.coll. [s.n.] Daemonorops jenkinsiana K000697806 Unknown type material
    Feb 1, 1904 s.coll. [s.n.] Daemonorops jenkinsiana K000697807 Unknown type material
    Jenkins [s.n.], India Daemonorops jenkinsiana K000687918 isotype
    Khamphone [315], Laos Daemonorops jenkinsiana K000114579
    Khamphone [385], Laos Daemonorops jenkinsiana K000114564
    Oulathong [205], Laos Daemonorops jenkinsiana K000114540
    [Griffith] [s.n.], India Daemonorops jenkinsiana K000687917 isotype
    s.coll. [s.n.] Daemonorops jenkinsiana K000697805 Unknown type material
    s.coll. [s.n.], India Daemonorops jenkinsiana K000687919

    First published in Calcutta J. Nat. Hist. 5: 81 (1845)

    Not accepted by

    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Daemonorops jenkinsiana.]
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Daemonorops jenkinsiana.]

    Literature

    Kew Backbone Distributions
    • Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.

    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