Skip to main content
  1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Desmoncus Mart.
      1. Desmoncus setosus Mart.

        This species is accepted, and its native range is SE. Colombia to NW. Brazil.


    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.

    Nativa en Colombia; Alt. 100 m.; Amazonia.
    Preocupación Menor
    From 1°51'-3°45'S and 59°58'-69°50'W in the central Amazon region of Brazil (Amazonas) and Colombia (Amazonas) at low elevations in várzea forest or disturbed forest near rivers.
    General Description
    Plants 7.0(2.0-15.0) m tall; stems 0.7(0.5-1.1) cm diameter. Leaf petioles 2.0(1.0-4.0) cm long; rachise 41.7(14.0-67.0) cm long, 2.9(2.2-4.1) mm wide, the spines usually <1 cm long, mostly abaxial, recurved wit markedly swollen bases; pinnae 8(6-11) per side of rachis, without a beard of spines at the bases, without spinules or dense tomentum at the bases adaxially; basal pinna 12.7(5.5-19.5) cm long, 0.7(0.3-1.3) cm wide cirri well-developed, with acanthophylls, acanthophylls present, with few spines abaxially, mostly o proximal part only, with no intermediate acanthophylls present, usually with a wide gap between pinnae an acanthophylls (i.e., gap wider than that between adjacent acanthophylls). Inflorescences with the rachi angular, slightly twisted, thicker than the few to numerous, closely spaced and spirally arranged rachillae, each rachilla not (or very rarely) adnate to the rachis, subtended by an acute bracteole and with a welldeveloped axillary pulvinus; peduncles 1.5(0.9-1.9) mm wide; peduncular bracts 19.1(14.5-23.0) cm long, broad, the surfaces ridged, brown tomentose, sparsely to densely covered with short, recurved, markedly swollen-based, diagonally oriented spines, these triangular in cross-section, whitish-brown proximally, brown distally, with tomentose margins; rachillae 9(4-15), glabrous or scarcely tomentose initially; proximal rachillae 5.3(2.8-7.0) cm long, 0.9(0.5-1.7) mm wide; stamens no data; fruits 11.9(11.2-12.8) mm long, 7.5(6.1-8.5) mm wide, the surfaces uneven with numerous, subepidermal, short, often branching (Y-shaped) fibers; fruiting corollas splitting irregularly into 3 lobes, the lobes often splitting again; endocarps globose to obovoid with rounded or slightly peaked apices, the pores lateral.


    Native to:

    Brazil North, Colombia


    Other Data

    Desmoncus setosus Mart. appears in other Kew resources:


    First published in Hist. Nat. Palm. 2: 89 (1824)

    Not accepted by

    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Desmoncus polyacanthos var. polyacanthos.]


    Palmweb - Palms of the World Online

    • Henderson, A., A revision of Desmoncus (Arecaceae) in Phytotaxa 35. 2011

    Kew Backbone Distributions

    • Henderson, A. (2011). A revision of Desmoncus (Arecaceae) Phytotaxa 35: 1-88.


    Catálogo de Plantas y Líquenes de Colombia

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 World Checklist of Selected Plant Families.

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.

    Palmweb - Palms of the World Online
    Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet Accessed on 21/04/2013
    Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License