1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Bactris Jacq. ex Scop.
      1. Bactris macroacantha Mart.

        This species is accepted, and its native range is W. South America to N. Brazil.

    [PW]
    Vernacular
    Colombia: ñeeinó (Andoke). Brazil: marajá. Ecuador: kamancha (Shuar, Achuar). Peru: ñeja.
    Distribution
    Western Amazon region in Colombia (Amazonas), Peru (Cusco, Huanuco, Loreto, Pasco, San Martin, Ucayali), and Brazil (Amazonas, Pará, Rondonia). Lowland forest on terra firme at 120-370 m elevation.
    General Description
    Stems cespitose, often in dense clumps, 0.5-4 m tall, 2-4 cm diam., spiny or not spiny on internodes. Leaves 2-6; leaf spines black or occasionally yellowish brown, flattened (but tapering from base), to 8 cm long, dense on sheath and lateral surfaces of petiole, absent from rachis; sheath 25-47 cm long, sheath, petiole, and rachis densely brown-tomentose (often with a non-tomentose abaxial stripe; ocrea to 8 cm long; petiole 25-80 cm long; rachis 1-1.8 m long; pinnae 13-30 per side, either regularly or irregularly arranged, spreading in one or different planes, oblan-ceolate to sigmoid, with distinct, spinulose marginal veins (when dry with prominent, yellowish, central and marginal veins); middle pinnae (19-)28-50 x (3-) 4.5-9 cm. Inflorescences interfoliar; peduncle 22-38 cm long, recurved, spiny or not spiny; prophyll 12-20 cm long; peduncular bract 35-61 cm long, densely covered with brown or yellowish, appressed, flattened, laciniate spines; rachis 4.5-5 cm long; rachillae 7-12, 8.5-14 cm long, at anthesis densely covered with moniliform trichomes; triads irregularly arranged among paired or solitary staminate flowers; staminate flowers 3.5-4 mm long; sepal lobes 1.5-2 mm long; petals 3.5-4 mm long; stamens 6; pistillode absent; pistillate flowers 4-6 mm long; calyx tubular, 4-6 mm long; corolla tubular, 3-4 mm long, usually densely spinulose; staminodes minute; fruits 2.5-3.2 x 2-2.3 cm, broadly obovoid, prominently rostrate, purple-black; mesocarp juicy; endocarp turbinate or oblong, the sterile pores slightly to markedly displaced longitudinally; endocarp fibers free, numerous, with juice sacs attached; fruiting perianth with regularly and shortly lobed calyx shorter than the regularly and shortly lobed, spinulose corolla, without staminodial ring.
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 80 - 300 m.; Amazonia.
    Habit
    Arbusto, palma cespitosa
    Conservation
    Preocupación Menor

    Images

    Distribution

    Native to:

    Bolivia, Brazil North, Colombia, Peru

    Bactris macroacantha Mart. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1995 Trail, J.W.H. [882], Brazil K000584818 holotype
    Jan 1, 1995 Trail, J.W.H. [882], Brazil K000584819 holotype
    Jan 1, 1995 Trail, J.W.H. [881], Brazil K000584820 holotype
    Jan 1, 1995 Trail, J.W.H. [881], Brazil K000584821 holotype

    First published in Hist. Nat. Palm. 2: 95 (1826)

    Accepted by

    • Lorenzi, H., Noblick, L.R., Kahn, F. & Ferreira, E. (2010). Brazilian Flora Arecaceae (Palms): 1-268. Instituto Plantarum de Estudos da Flora LTDA, São Paulo, Brazil.
    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.

    Literature

    Palmweb - Palms of the World Online
    • Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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