1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Bactris Jacq. ex Scop.
      1. Bactris corossilla H.Karst.

        This species is accepted, and its native range is S. Tropical America.

    [PW]
    Distribution
    Coastal range, Andes, and adjacent regions of Venezuela (Apure, Carabobo, Mérida, Táchira) and Colombia (Norte de Santander), south to the western Amazon region in Colombia (Amazonas, Meta, Vaupes), Venezuela (Amazonas, Bolívar), Ecuador (Marana-Santiago, Napa, Pastaza,Sucumbros), Peru (Amazonas, Loreto, Ucayali), and Brazil (Acre, Amazonas); lowland to montane rain forest on well-drained slopes, at 100-1400 m elevation. Coastal mountains in Venezuela and south along the Andes and in the W Amazon region to S Peru. Distribution in Ecuador. In Ecuador it is frequent in moist tropical and premontane forest east of the Andes, sometimes forming very large groups in swampy areas, whereas it tends to form smaller groups or even single-stemmed individuals on well drained soil.
    General Description
    Understorey palm. Stems clustered, often forming large colonies, 1.5-6 m tall and 1.5-4 cm in diameter. Leaves with central axis green, becoming glabrous, armed with scattered black spines to 5 cm long; blade 70-175 cm long, simple, or more often pinnate, usually with a large top segment; pinnae 5-26 on each side, inserted in groups and spreading in one plane, the central ones 30-75 cm long, 3.5-10 cm wide, usually with asymetrical apex ending in a long tail, lined with small spines along the margins. Inflorescence 20-40 cm long; branches 10-20, 5-20 cm long. Female flowers scattered along the branches, with tubular calyx, glabrous or minutely bristly corolla, and no staminodial ring. Fruit black, smooth, obovoid, flattened at top, usually strongly rostrate, 2-2.5 cm in diameter, fruiting perianth with a short calyx, and a much longer, usually three-parted corolla. Stems usually cespitose and sometimes forming dense clumps, occasionally solitary, (1-)2-4(-6) m tall , 1-3(-4) cm diam., spiny on internodes. Leaves 5-12; leaf spines clustered, black or dark brown, terete, to 5 cm long, usually dense on sheath and adaxial surfaces of petiole, occasionally absent; sheath 20-70 cm long, sheath, petiole, and rachis green, not or scarcely tomentose; ocrea to 20 cm long, entire and persistent; petiole 20-80 cm long; rachis 0.4-1.1 m long; blade simple and bifid, or pinnate with 3-18 pinnae per side, the apical one usually broad, irregularly arranged in clusters, spreading in different planes, linear to sigmoid aristate, with prominent veins; blade 0.6-2 m long, 23-34 cm wide at apex of rachis, middle pinnae of pinnate leaves 40-50 x 3-5 cm. Inflorescences interfoliar; peduncle 11-25 cm long, recurved, spiny; prophyll 10-20 cm long; peduncular bract 18-40 cm long, sulcate abaxially, densely spiny with more or less spreading, flexuous, soft ,brown spines; rachis 1-5 cm long; rachillae 4-14, 7-13 cm long, with prominent staminate flower bracteoles, at anthesis densely covered with flexuous, brown trichomes; Triads irregularly arranged among paired or solitary staminate flowers, the bracteoles prominent; staminate flowers 5-6 mm long; sepal lobes 1.5-2 mm long; petals 5-6 mm long; stamens 6; pistillode small; pistillate flowers 5-6 mm long; calyx tubular, 5-6 mm long; corolla tubular, 3-4 mm long, glabrous or occasionally minutely spiulose; staminodes absent; Fruits 2-2.5 x 1.7-2 cm, depressed globose to obovoid, prominently rostrate, green becoming yellow and then purple-black; mesocarp thin; endocarp turbinate, the sterile pores slightly displaced longitudinally; endocarp fibers free, numerous, without juice sacs attached; fruiting perianth with small, 3-lobed calyx and longer, 3-lobed corolla, without staminodial ring.
    Vernacular
    Brazil: marajá. Colombia: eoquito,cuparú; (Yucuna). Ecuador: kamancha (Shuar). Peru: ñejilla. Venezuela: du (Piaroa), juduaro, macanillo.
    [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. 90 - 1400 m.; Amazonia, Andes, Guayana y Serranía de La Macarena, Orinoquia.
    Habit
    Arbusto, palma cespitosa
    Conservation
    Preocupación Menor

    Images

    Distribution

    Native to:

    Bolivia, Brazil North, Colombia, Ecuador, Peru, Venezuela

    Bactris corossilla H.Karst. appears in other Kew resources:

    First published in Linnaea 28: 407 (1857)

    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.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • 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
    • Borchsenius F., Borgtoft-Pedersen H. and Baslev H. 1998. Manual to the Palms of Ecuador. AAU Reports 37. Department of Systematic Botany, University of Aarhus, Denmark in collaboration with Pontificia Universidad Catalica del Ecuador

    Sources

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