1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Bactris Jacq. ex Scop.
      1. Bactris gracilior Burret

        This species is accepted, and its native range is SE. Nicaragua to Panama.

    [PW]
    General Description
    Stems cespitose, 2-4(-5) m tall, ca. 2 cm diam., spiny on internodes. Leaves 5-9; leaf spines scattered, black, terete, to 2(-5) cm long, on lateral surfaces of sheath, usually absent from petiole and rachis, rarely on rachis; sheath to 28 cm long; ocrea to 10 cm long; petiole 0.2-1.1 m long; rachis 42-96 cm long; pinnae 10-24 per side, irregularly arranged in clusters on alternating sides of the rachis proximally, more regularly arranged distally, spreading in different planes, narrowly elliptical, gradually aristate, glabrous, dull green adaxially, brownish and shiny abaxially on drying, sometimes with minute, forward pointing marginal spines; middle pinnae 18-39(-45) x 2.5-4.4 cm. Inflorescences interfoliar; peduncle 6-10 cm long, recurved, not spiny or sparsely spiny; prophyll 8-12 cm long, thin, chartaceous; peduncular bract 15-24 cm long, sparsely covered with short, black or brown spines, occasiOnally almost glabrous; rachis 3-3.6 cm long; rachillae 8-23, 7-10 cm long, at anthesis densely covered with moniliform trichomes; triads irregularly arranged among paired or solitary staminate flowers; staminate flowers 3-4 mm long; sepal lobes ca. 1 mm long; petals 3-4 mm long; stamens 6; pistillode absent; pistillate flowers to 3 mm long; calyx cupular, to 1 mm long; corolla tubular, to 3 mm long; staminodes 6, minute, or absent ;fruits 1-1.5 x 0.9-1.1 cm,obovoid, bluntly rostrate, orange; mesocarp mealy; endocarp turbinate, pitted apically, the pores equidistant or displaced longitudinally; endocarp fibers few; fruiting perianth with minute calyx and truncate corolla, without staminodial ring.
    Distribution
    Atlantic slope from southern Nicaragua (Zelaya), Costa Rica (Alajuela, Cartago, Heredia, Limón), and Panama (Bocas del Toro, Coclé, Colon, Darién, Panamá, San Bias). Lowland rain forest at 60-1000 m elevation.
    Vernacular
    Costa Rica: biscoyol.

    Distribution

    Native to:

    Costa Rica, Nicaragua, Panamá

    Bactris gracilior Burret appears in other Kew resources:

    First published in Repert. Spec. Nov. Regni Veg. 34: 216 (1934)

    Accepted by

    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 2: 1-694. Missouri Botanical Garden Press, St. Louis.
    • Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666.
    • 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