1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Bactris Jacq. ex Scop.
      1. Bactris constanciae Barb.Rodr.

        This species is accepted, and its native range is Guianas to N. Brazil.

    [PW]
    General Description
    Stems cespitose, 1.5-5 m tall, 2.5-5 cm diam., spiny on internodes. Leaves 5-8; leafspines scattered, black, somewhat flattened, spinulose proximally, to 7 cm long, on lateral surfaces of sheath and proximal part of petiole, absent from rachis; sheath 20-70 cm long, sheath, petiole, and rachis brown-tomentose; ocrea 10-20 cm long; petiole elongate, 0.8-1.4 m long; rachis 1-3.3 m long; pinnae 14-22 per side, irregularly arranged in distant clusters of 2-8, spreading in different planes, oblanceolate to sigmoid, longacuminate, with spiny margins; middle pinnae 33-40 x 3-7 cm. Inflorescences interfoliar; peduncle 22-25 cm long, recurved, spiny or not spiny; prophyll 10-22 cm long; peduncular bract 30-45 cm long, with few black spines to 1 cm long; rachis 5-6 cm long; rachillae 12-20, to 12 cm long, densely covered at anthesis with moniliform trichomes; triads irregularly arranged among paired or solitary staminate flowers; staminate flowers to 4 mm long; sepal lobes to 1 mm long; petals to 4 mm long; stamens 6; pistillode absent; pistillate flowers to 5 mm long; calyx tubular, to 4 mm long; corolla tubular, to 5 mm long; staminodes absent; fruits 1.5-2.5 cm diam., globose, densely muricate with projections to 3 mm long, rosy, dark red, or magenta-purple; mesocarp juicy; endocarp depressedoblong, the sterile pores displaced longitudinally; endocarp fibers free, numerous, with juice sacs attached; fruiting perianth with deeply 3-lobed calyx almost as long as the deeply 3-lobed corolla, without staminodial ring.
    Distribution
    Eastern Amazon region in Suriname, French Guiana, and Brazil (Amazonas, Pará).
    Habitat
    Lowland rain forest on terra firme, at 200-500 m elevation. Throughout its range, this species is not common, and individual plants are found scattered in the forest.
    Vernacular
    Brazil: munbaca.

    Distribution

    Native to:

    Brazil North, French Guiana, Suriname

    Bactris constanciae Barb.Rodr. appears in other Kew resources:

    First published in Enum. Palm. Nov.: 37 (1875)

    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

    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