The World Flora Online

Prestoea decurrens (H. Wendl. ex Burret) H.E. Moore, Gentes Herb. 9: 286. 1963; Euterpe decurrens H. Wendl. ex Burret.

Tallos solitarios o cespitosos (generalmente sólo 1 tallo se desarrolla), 4–7 (–10) m de alto y 5–6.5 (–15) cm de diámetro, lisos, lustrosos. Hojas 2–3 m de largo; pinnas 35–58, lineares y gradualmente ahusadas apicalmente, las centrales ca 80 cm de largo y 4 cm de ancho, nervios secundarios prominentes; vaina ca 100 cm de largo, cayendo sin dejar cicatriz, pecíolo 50–150 cm de largo, acanalado adaxialmente, aquillado abaxialmente. Inflorescencias obviamente infrafoliares, erectas a horizontales o arqueadas a pendientes, ca 100 cm de largo, profilo ca 24 cm de largo, escasamente lepidoto a glabrescente, bráctea peduncular ca 72 cm de largo, pedúnculo 22–26 cm de largo, blanco-crema a matizado de café (verde pálido o matizado de anaranjado en fruto), con numerosas ramas, raquis ca 38 cm de largo; raquillas 30–37 cm de largo, con tricomas simples o estrellados, duros, blancos; sépalos con márgenes ciliados; flores estaminadas 3–4.5 mm de largo, pilosas; flores pistiladas 1–3 mm de largo. Frutos ca 8 mm de diámetro, residuo estigmático lateral.

Común, en el sotobosque en pluvioselvas, zonas norcentral y atlántica; 0–1500 m; fl y fr durante todo el año; Neill 3320, Stevens 6838; Nicaragua a Ecuador. "Súrsula".

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Tallos múltiples, 3–8 m y 6.5–12 cm de diám. Pecíolos más allá dela vaina 60–150 cm, la vaina partida. Láminas foliares ca. 1.5–3 m; hojuelas ca. (25–)30–50 por lado, 22–83 1.3–6 cm (las del medio).Infls. infrafoliares, racemosamente ramificadas; profilo ca. 20.5–27.5 cm;pedúnculo ca. 18–33.5 cm, la bráctea ca. 58–130 cm; raquis ca. 22.5–33 cm; raquilas ca. 39–50, ca. 27–61.5 cm, escasa a densamente pubes-centes con pelos estrellados ca. 0.1–0.3 mm, blanquecinos. Fls. estaminadasca. 3–4.5 mm, los pétalos pilosos o hirsutos abaxialmente, especialmente hacia el ápice (pero luego glabres-centes); fls. pistiladas ca. 1–3 mm. Frs. maduros ca. 0.6–0.9 0.6–0.9 cm.

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Stems cespitose with 2-7 stems per plant or rarely solitary, erect or occasionally leaning or procumbent, 1.4-7(-10) m tall, 3-12 cm diam., green or yellowish with conspicuous nodes. Leaves 4-10, spreading; sheath semi-open and forming a partial crownshaft, this almost always obscured by persistent, dead leaf bases, 0.3-1 m long including a fibrous ligule to 10 cm long, green, green-violet, or brown-violet, fibrous on margins; petiole (18-)30-95(-155) cm long, densely covered, especially abaxially, with apressed, whitish brown, peltate-lacerate scales; rachis 1.2-3.1 m long, with tomentum like that of petiole; pinnae 35-58 per side, regularly arranged and horizontally spreading in the same plane, subopposite or alternate, linear-lanceolate, abruptly acuminate or almost acute apically, plicate, with prominent midvein and several lateral veins, without conspicuous ramenta on the midvein abaxially, with punctations abaxially; basal pinna 28-60 x 0.8-2 cm; middle pinnae 43-73(-81) x 2-5.5 cm; apical pinna 8-25(-40) x 0.5-2 cm. Inflorescences infrafoliar, erect in bud; peduncle 8-30(-75) cm long, 0.8-2 cm diam., terete, densely covered with whitish, stellate, short, stiff, persistent hairs; prophyll 18-45 cm long, 3-4 cm diam.; peduncular bract 0.5-1.4 m long including a 3 cm long umbo, densely covered abaxially with appressed brown scales, persistent; rachis (6.5-)13-60 cm long, with hairs similar to those of peduncle; rachillae (7-)30-70, (30-)35-54(-75) cm long proximally, to 24 (-60) cm long distally, 1-2 mm diam. at anthesis, 1.5-2(-5) mm diam. in fruit, subtended by bracteoles, these occasionally prominent, densely to moderately covered with simple to stellate, 0.1-0.2 mm long, stiff, persistent, white hairs; flowers in triads proximally, paired or solitary staminate distally, the triads sometimes densely crowded on the rachillae, superficial or somewhat sunken; triad bracteole low, apiculate; first flower bracteole obscure, second and third flower bracteoles ± equal, deltate or rounded and apiculate, 0.3-0.5 mm long; staminate flowers 3-4 mm long; sepals deltate, 1-1.5 mm long, imbricate proximally, keeled; petals ovate to elliptic, 2.5-4 mm long, pilose abaxially especially distally; stamens arranged on a very short receptacle; filaments 1.5-2 mm long, lanceolate, flattened, adnate proximally to petals; anthers 1-1.5 mm long; pistillode 1.5-2.5 mm long, trifid at the apex; pistillate flowers 2.5-3.5 mm long; sepals very widely ovate, 1.5-2 mm long, ciliate; petals widely ovate, 2-3 mm long, ciliate; staminodes digitate; fruits globose, 0.7-1.1 cm diam., loosely spaced or rarely crowded on the rachillae, the stigmatic remains subapical to lateral; epicarp purple-black, scarcely minutely tuberculate; seeds globose, 5-8 mm diam.; endosperm lightly to deeply ruminate; eophyll pinnate with long rachis.

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Nicaragua (Matagalpa, Río San Juan, Zelaya), Costa Rica (Alajuela, Cartago, Heredia, Limón, Puntarenas, San José), Panama (Chiriquí, Colón, Panamá, San Blas), western Colombia (Antioquia, Cauca, Chocó, Nariño, Risaralda, Valle), and western Ecuador (Carchi, Cotopaxi, Esmeraldas, Pichincha) (Fig. 26); rain forest at low elevations (0-800 m) but occasionally reaching 1500 m. Throughout its range it is a common palm, especially along streams and rivers.

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