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  1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Areca L.
      1. Areca jugahpunya J.Dransf.

        This species is accepted, and its native range is Borneo (Sarawak).

    [PW]
    Diagnostic
    mira, acaulescens, robusta 6-staminata ad sectionem Arecellam pertinens sed habitu, inflorescentia erecta robustaque, floribus staminatis egregie magnis petalis basaliter connatis dis- tinctissima.
    Distribution
    Borneo, Sarawak, 7th Division, known only from the type collection (see above).
    Biology
    Cited as growing near river banks.
    General Description
    Acaulescent undergrowth palm, stem ? solitary or ? clustered, c. 6 cm diam. (no further details available). Leaf sheath greenish yellow when fresh, drying pale brown, c. 30 cm long, split to c. 20 cm above the insertion opposite the petiole, the abaxial surface bearing scattered chestnut brown scales; ligule apparently not present. Petiole present but of unknown length, c. 1.5 cm diam. at base, adaxially channelled, abaxially rounded; whole leaf described as 2.5 m long; total number of pinnae not known but apparently few and very broad; penultimate leaflet 75 x 8 cm, somewhat sigmoid, 4-costate, acuminate in a driptip to 10 cm long; leaflets of apical pair very broad, 65 x 25 cm, 15-costate, the apical margin 15 cm wide with lobes to 5 cm corresponding to the adaxial folds, these further split along adaxial folds to 2 cm; abaxial lamina surface conspicuously striate when dry, paler than adaxial, both surfaces with scattered minute brown scales. Inflorescence infrafoliar, erect; prophyll not available; peduncle very short, c. 2 x 2 cm just above the clasping base, bearing about 20 stiff erect rachillae, those at the base forking near the insertion, to 24 x 0.7 cm, deep scarlet when fresh, proximally bearing 2-3 triads c. 3 cm distant distally bearing staminate flowers solitary or in pairs c. 1-5 cm distant, all ± uniseriate on one side of the rachilla. Staminate flowers green in bud, becoming white after anthesis, relatively very large (perhaps the largest in the genus), c. 18 mm long; calyx c. 3.5 mm long, tubular above a short solid base, with 3 low triangular lobes with minutely ciliate margins; petals 3, ± oblong, c. 15 x 4 mm, connate in the basal 5 mm, the tips blunt triangular; stamens 6, the filaments inserted on the corolla c. 2 mm above the base; anthers ± medifixed, c. 9 x 1 mm, pistillode absent. Pistillate flower bud c. 15 x 7 mm, ± ovoid, subtrigonous; sepals 3, imbricate, cucullate, connate only at the very base, the outermost to 15 x 7 mm, the innermost to 11 x 6 mm; petals 3, free, valvate above, imbricate below, c. 9 x 3 mm; staminodes apparently absent; ovary very immature in available specimen. Immature fruit fusiform, 5.5 x 1 cm, tipped by massive stigmatic remains.

    Images

    Distribution

    Other Data

    Areca jugahpunya J.Dransf. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 16, 2002 Othman [S 57795], Malaysia K000114445
    Apr 19, 2002 Yii, P.C. [53735], Malaysia K000114456
    Chai, P. [S.36065], Malaysia K000208002 holotype
    Bacon, C.D. [CDB114], Malaysia K000526309

    Bibliography

    First published in Kew Bull. 39: 13 (1984)

    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. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    Palmweb - Palms of the World Online

    • J. Dransfield, The genus Areca (Palmae: Arecoideae) in Borneo. 1984

    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 2020. 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 2020. 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