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  1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Desmoncus Mart.
      1. Desmoncus costaricensis (Kuntze) Burret

        This species is accepted, and its native range is N. & NE. Costa Rica.

    [PW]
    Distribution
    From 9°34'-10°02'N and 82°36'-83°26'W on the Caribbean coast of Costa Rica at 128(1-400) m elevation in lowland rainforest.
    General Description
    Plants 5.3(4.0-6.0) m tall; stems 1.9(1.3-2.3) cm diameter, clustered. Leaf petioles 10.5(8.0-15.5) cm long; rachises 74.8(67.0-80.0) cm long, 7.3(5.7-9.3) mm wide, the spines usually >1 cm long, mostly adaxial or lateral, straight with briefly swollen bases; pinnae 9(8-10) per side of rachis, without long, filiform apices, without a beard of spines at the bases adaxially, without spinules or dense tomentum at the bases adaxially; basal pinna 24.5(14.5-32.0) cm long, 5.7(3.0-9.0) cm wide; cirri well-developed, with acanthophylls, without spines abaxially, with intermediate acanthophylls present, without a wide gap between pinnae and acanthophylls. Inflorescences with the rachis ridged, not twisted, much thicker than the numerous, closely spaced and spirally or irregularly arranged rachillae, each rachilla not or only briefly adnate to the rachis, subtended by an acute bracteole and with a well-developed axillary pulvinus; peduncles 6.4(4.6-8.2) mm wide; peduncular bracts 20.5(15.0-28.5) cm long, broad, the surfaces ribbed, brown tomentose, sparsely to densely covered with long, straight or sinuous, briefly swollen-based, diagonally or vertically oriented spines, these flattened or triangular in cross-section, whitish-brown proximally, black or brown distally, with tomentose margins; rachillae 33, glabrous or scarcely tomentose initially; proximal rachillae 8.5 cm long, 1.0(0.7-1.2) mm wide; stamens 6; fruits 13.8(12.7-14.5) mm long, 11.3(9.1-13.8) mm wide, the surfaces uneven with numerous, subepidermal, short, often branching (Y-shaped) fibers; fruiting corollas less than one quarter as long as fruits, splitting irregularly into 3 lobes, the lobes often splitting again; endocarps globose to obovoid with rounded or slightly peaked apices, the pores lateral.

    Distribution

    Native to:

    Costa Rica

    Synonyms

    Other Data

    Desmoncus costaricensis (Kuntze) Burret appears in other Kew resources:

    Bibliography

    First published in Repert. Spec. Nov. Regni Veg. 36: 202 (1934)

    Accepted by

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

    Not accepted by

    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras. [Cited as Desmoncus orthacanthos.]
    • 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. [Cited as Desmoncus orthacanthos.]

    Literature

    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.

    Sources

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. 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 2020. 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