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

        This species is accepted, and its native range is French Guiana to N. & NE. Brazil.

    [PW]

    ,

    Distribution
    . French Guiana and Brazil (Amapá, Amazonas, Maranhão, Pará). lowland rain forest on terra firme at low elevations.
    General Description
    Stems cespitose, 0.3-3 m tall, 0.8-1.6 cm diam., spiny on internodes. Leaves 8-13; leaf spines scattered, yellowish, somewhat flattened, to 3 cm long, sparse to moderate on sheath and petiole; sheath 11-25 cm long, sheath, petiole, and rachis brown-tomentose; petiole 10-28(-50) cm long; rachis 18-55(-90) cm long; pinnae 2-11 per side, irregularly arranged in clusters, spreading in slightly different planes, sigmoid, with long, filamentous, minutely spinulose apex, occasionally pilose abaxially, rarely adaxially, or blade simple or with a few pinnae, then deeply bifid apically and narrowly cuneate basally; blade to 50 cm long and 15 cm wide at apex of rachis, pinnate leaves with middle pinnae 18-27 x 3-5 cm (the apical ones wider than the others). Inflorescences interfoliar; peduncle ca. 6 cm long, scarcely recurved, not spiny; prophyll 7-9 cm long; peduncular bract 10-20 cm long, not spiny or spiny with short, black spines to 0.3 cm long or flexuous, yellowish spines to 0.8 cm long; rachilla 1, 3-5 cm long, at anthesis densely covered with brown trichomes; triads regularly arranged almost throughout rachilla; staminate flowers 6-7 mm long; sepal lobes 1-2 mm long; petals 6-7 mm long; stamens 6-9; pistillode absent; pistillate flowers 3.5-4 mm long; calyx tubular, 3-4 mm long, occasionally spinulose; corolla tubular, 3-4 mm long, occasionally spinulose; staminodes minute or absent; fruits to 2 x 1.5 cm, broadly obovoid, purple-black, occasionally spinulose; mesocarp juicy; endocarp turbinate but ridged apically, the sterile pores displaced longitudinally; endocarp fibers numerous, free, with juice sacs attached; fruiting perianth with lobed calyx half as long as the lobed, occasionally spinulose corolla, without staminodial ring.

    Distribution

    Native to:

    Brazil North, Brazil Northeast, French Guiana

    Bactris tomentosa Mart. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Trail, J.W.H. [140], Brazil Bactris tomentosa subsp. capillacea 22223.000

    First published in Hist. Nat. Palm. 2: 100 (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.

    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.

    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