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This species is accepted, and its native range is Costa Rica to Panama.

[PW]
Biology
Dense, moist or wet forest on the Atlantic and Pacific slopes; 100-1,300 m elevation; often on limestone.
General Description
Habit: solitary, erect or sometimes decumbent, to 4 m tall but flowering when stemless. Stem: 1.5-2 cm diam., green, prominently ringed, internodes 6 cm long. Leaves: 3-7, erect-ascending, pinnate; sheath 15-20 cm long, splitting deeply opposite petiole and very open, clasping completely only toward base, durable, auriculate, brown-margined apically and below this whitish, longitudinally striate-nerved; petiole 30-65 cm long, slightly grooved and green above, rounded and pale below; rachis to 60 cm long, angled and green above, rounded below with a pale yellow band extending onto sheath; pinnae 8-13 on each side of rachis, to 30 x 5 cm, lanceolate, acuminate, regularly spaced, ± straight, only slightly sigmoid or falcate, contracted and plicate basally, ± thick, a very prominent midrib with two much-less-prominent primary nerves and three secondaries on each side of this, end pinnae wider. Inflorescences: interfoliar, erect, sometimes spreading when heavily laden with fruits; peduncles equalling or exceeding leaves, to I m long or more, 1.5 cm wide at base,S mm wide at apex, erect to spreading, light green or yellowish in flower, light orange in fruit; bracts 6-9, 25-30 cm long, tubular, rather tightly clasping, obliquely open apically, acuminate, bifid, brown in flower, longitudinally striate-nerved; rachises 7-10 cm long, obtusely angled longitudinally, green in flower, red-orange in fruit. Staminate with 10-25 rachillae, these 20-35 cm long, pendulous, mostly simple although lower ones may be forked, green. Pistillate with 8-15 rachillae, these to 20-25 cm long, spreading and ± stiff but drooping when laden with fruits, flexuous, green in flower, red-orange in fruit. Flowers: Staminate in rather dense spirals, 2 x 1.5 mm, tapered apically and basally, ovoid, greenish; calyx low, lobed, sepals connate basally, rounded apically; petals valvate, connate apically and basally and adnate apically to pistillode and corolla opening by lateral slits, conspicuously nerved when dry. Pistillate globose and greenish in young bud; calyx lobed, sepals imbricate basally; petals imbricate nearly to apex; pistil ± globose, greenish-yellow, stigma lobes sessile, separated. Fruits: to 10 x 6 mm, oblong and slightly curved to obovoid or subglobose, black.
Distribution
RICA. Alajuela. Cartago. Limon. Puntarenas. San Jose.

Native to:

Costa Rica, Panamá

Chamaedorea macrospadix Oerst. appears in other Kew resources:

First published in Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1858: 20 (1859)

Accepted by

  • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 2: 1-694. Missouri Botanical Garden Press, St. Louis.

Literature

Palmweb - Palms of the World Online

  • Hodel, D. 1992. Chamaedorea Palms, The Species and Their Cultivation. The International Palm Society.

Kew Backbone Distributions

  • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 2: 1-694. Missouri Botanical Garden Press, St. Louis.

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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