Chamaedorea stenocarpa Standl. & Steyerm.

First published in Publ. Field Mus. Nat. Hist., Bot. Ser. 23: 206 (1947)
This species is accepted
The native range of this species is Central America. It is a subshrub or shrub and grows primarily in the wet tropical biome.


GUATEMALA. Izabal. COSTA RICA. Alajuela. Heredia. Puntarenas. PANAMA. Panama. Veraguas.
Wet forest mainly on the Atlantic slope in Guatemala but the Atlantic and Pacific slopes in Costa Rica and Panamá; 300-900 m elevation.
General Description
Habit: solitary, erect, appearing stemless, to 75 cm tall. Stem: 1-2 cm diam., very short, creeping, 15 cm long, at or below ground or leaf litter, green, densely ringed, internodes 2-10 mm long. Leaves: 3-5 erect-spreading, pinnate, 40-60 cm long but often flowering when much shorter; sheath 3-8 cm long, split deeply opposite petiole, clasping in a tubular manner only near base, narrowed upward and there not clasping at all and appearing as part of petiole, striate-nerved, green, drying brownish, persistent; petiole 5-25 cm long, flat or channeled toward base and green above, rounded and green below; rachis 14-27 cm long, angled and/or strongly verrucose and green above, pale and rounded and verrucose-margined toward apex below, narrowly margined with decurrent lower margins of pinnae; blade 14-32 x 10-20 cm, pinnae 10-20 on each side of rachis, middle ones 5-18 x 1.2-2.5 cm, apical pinnae 5-7.5 x 0.8-1.5 cm, narrowly oblong-lanceolate to lanceolate, spreading, thin, concolorous, glabrous, regularly distributed, acuminate, narrowed to 1/2 their width at base, basal attachment 8 mm long, slightly sigmoid, falcate, lower margin decurrent on rachis, midrib and marginal primary nerves on each side prominent above and below, these slender but prominently keeled, secondaries solitary between midrib and primaries, these very slender and inconspicuous, lower margin shallowly and often inconspicuously toothed toward apex, end pinnae 2-3-nerved, all pinnae decreasing in length noticeably in a progressive manner toward the apex of rachis. Inflorescences: interfoliar, often emerging from below leaves at or below ground or leaf litter, erect-spreading, not exceeding leaves; peduncles 15-20 cm long, 1.5 mm diam. at apex, straight or slightly arcuate, erect or spreading, greenish or pale in flower, orange in fruit; bracts 4-5, narrowly tubular, 3 mm diam., obliquely open apically, conspicuously nerved, membranous, brownish in flower, uppermost not exceeding peduncle. Staminate with rachis to 15 cm long, green; rachillae 10-25, these 6-8 cm long, simple, slender, filiform, soft, ± pendulous or flexible, green. Pistillate spicate or sometimes forked, ± stiff; rachis or flower-bearing portion 4-15 cm long, straight or slightly curved, green and thicker than staminate, 3 mm diam., much thicker and deep orange in fruit. Flowers: Staminate in moderate to ± lax spirals, ovoid-globose, greenish, ± superficial; calyx low, lobed, sepals connate basally, rounded apically; petals briefly connate and/or imbricate basally, ovoid, free and spreading apically, acute; stamens 1/2-3/4 as high as petals, filaments pale; pistillode exceeding stamens, greenish. Pistillate in rather dense spirals, 3 x 3 mm, globose to subglobose, light green, scarcely sunken in elliptic depressions 1.8 mm long; calyx 1-1.5 x 2.5-3 mm, deeply lobed, light green with dark green toward margins, sepals connate and/or imbricate in basal 1/4, rounded to acute apically; petals 3 x 2.5-3 mm, roundovate to oblong, cup-shaped, imbricate nearly to apex, free and acute or obtuse and shortly erect apically, dark green toward apex; pistil 1.5 x 2.5 mm, depressed-globose, green, stigma lobes short, not equalling petals, pointed, erect, brown. Fruits: 6-8 mm diam. or long, oblong-ellipsoid and green to yellow when immature, black and elongated to ± globose when mature, when elongated obtuse or rounded apically, obtuse basally, abortive carpels adherent to reddish orange and persistent perianth; eophyll pinnate.


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