Chamaedorea parvisecta Burret

First published in Notizbl. Bot. Gart. Berlin-Dahlem 11: 742 (1933)
This species is accepted
The native range of this species is Mexico (Chiapas) to Guatemala. It is a shrub and grows primarily in the wet tropical biome.

Descriptions

Distribution
GUATEMALA. Alta Verapaz. Baja Verapaz. EI Progreso. Huehuetenango. Zacapa. MEXICO. Chiapas.
Biology
Moist or wet forest on the Atlantic slope; 1,400-2,500 m elevation.
General Description
Habit: solitary, slender, erect, to 3 m tall, often flowering when appearing stemless. Stem: 5-7 mm diam., green, smooth, ringed, internodes to 10 cm long, upper part covered with persistent sheaths. Leaves: 3-5, spreading, pinnate; sheath to 20 cm long, tubular, obliquely open apically and there longitudinally green-striatenerved, persistent; petiole 30 cm long, grooved and green above, rounded and green below; rachis to 40 cm long, obtusely angled and green above, rounded and green below; pinnae to 10 or more on each side of rachis, larger central ones to 20 x 4.5 cm, lanceolate to broadly lanceolate, not conspicuously sigmoid, long and narrowly acuminate, strongly contracted basally, widest at middle, regularly disposed, alternate, thin-papery, dull green with a light bluish or grayish cast above, paler below, a prominent midrib, 2 ± obscure primary nerves and 2 secondaries on each side of midrib. Inflorescences: infrafoliar, breaking through old sheaths at nodes, erect to spreading; peduncles 18-40 cm long; bracts 6-8, lowest four of these short and densely congested, less than 4 cm long, others to 15 cm long, 2.5-3.5 cm diam., tubular, brownish, longitudinally striated; rachises nearly lacking to 10 cm long, green in flower, red-orange in fruit. Staminate with 4-18 rachillae, these to 12 cm long, slender, drooping. Pistillate with 3-10 rachillae, these 5-12 cm long, moderately slender, erect and green in flower, orange and thickened in fruit, blunt-tipped. Flowers: Staminate in moderate or dense spirals, semiglobose in bud, atanthesis 1.75-2 x 2-2.5 mm, ± globose, cream-colored ageing to brown, slightly sunken; calyx 0.25-0.4 x 1.75-2 mm, deeply lobed, sepals connate in basal 1/4 or nearly free, broadly rounded apically; petals 2 x 1.25-1.5 mm, long-ovate, valvate, free nearly to base, acute, faintly nerved when dry; stamens 1.5 mm tall, filaments 0.5-0.75 mm long, very slender, anthers 0.75 mm long, oval to oblong, basifixed; pistillode 1.75-2 mm tall, columnar, flared slightly basally. Pistillate in moderate spirals, slightly sunken; calyx low, 2.5 mm across, lobed, sepals connate and/or imbricate basally, broadly rounded apically; petals 2 x 3 mm, broadly ovate, imbricate basally; staminodes present; stigma lobes short, sessile. Fruits: 10 x 9 mm, ± globose to broadly ovoid, black, moderately fleshy, laxly disposed, seated in distinct depressions in axis.
[PW]

Sources

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. 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