Asterogyne spicata

Family: Arecaceae    Palma

Nome comune: Palmito Palm

Sinonimia scientifica:
Aristeyera spicata

Freddo zona di robustezza: 10b     Mostra il Regno Unito e la zona di mappe degli Stati Uniti

Asterogyne spicata informazioni

Stem solitary, erect, 2-4(-8) m tall, 4-7 cm diam., brown, occasionally with basal vegetative branches; internodes 0.5 cm long; aerial roots forming a short basal cone; pneumatodes very short. Leaves 15-19(-25), sometimes reddish brown when young, green when mature, the older ones not persistent; sheath 10-15 x 9 cm, reddish brown tomentose, the margins slightly fibrous; petiole 35-40 x 0.7-1.5 cm, channelled adaxially, rounded to angled abaxially, brown tomentose, slightly fibrous at margins toward base; midvein 68-84 x 0.5-0.7 cm, green, with same indumentum as on petiole, ridged adaxially, flat abaxially; rachis with a filiform extension of 1.5-5 x 0.1 cm; blade 0.7-1 x 0.2-0.3 m, dull green adaxially, silver green abaxially, deeply bifid at apex for ca. 45 cm; primary veins 25-27 per side, emerging at 25-30? angle at midvein, prominent abaxially, yellowish, slightly brown tomentose. Inflorescence spicate; peduncle 40-50 cm long, 0.5-0.6 cm diam., dorsiventrally compressed; prophyll 14-15(-25) cm long, 1.5 cm diam., fibrous, inserted at base of peduncle; peduncular bract 1, chartaceous, brown tomentose, 22-40 x 1.3-2 cm, inserted 1.4 cm above base of peduncle; inflorescence rachis 23-40 cm long, 1-1.5 cm diam., terete, pale brown at anthesis, brown in fruit, with same indumentum as on peduncle, the sterile apex acute, ca. 0.6-3 cm long; flower pits spirally arranged, ca. 2-4 mm apart from each other, covered with an inflexed lower lip, 3 x 2-4 mm. Staminate flowers obovoid, 0.8-1.3 cm long, 0.4-0.5 cm diam., fragrant, the pedicel almost absent; sepals oblong-obovoid, 5-6 x 1.4-2 mm; petals obovoid, 7-8 x 2-3 mm; stamens 21-26, occasionally 1 or 2 partially or totally sterile; filaments united into a tube to 6-7 mm long, conspicuously yellow orange, not remarkably thinner at apex, the epidermis papillate, the free parts 3-4 mm long, 0.4 mm diam.; connective 1.2-1.5 mm long; thecae 0.5-1.2 mm long; pistillode 4-5 mm long. Pistillate flowers oblong in bud, 8 mm long, 4 mm diam., the pedicel to 1 mm long; sepals oblong, 5-7 x 2-3 mm; petals oblong, 7-8 mm x 2-3 mm; ovary 0.9 mm long, 1-1.2 mm diam.; style 2.5-3 mm long; stigmatic branches 1-1.5 mm long; staminodial tube 2 mm long, the lobes 15-21, 2-2.2 mm long. Fruit ellipsoid-ovoid, 1.5-1.8 cm long, 0.5-0.8 cm diam.; epicarp purplish red in young fruits, purplish black at maturity; seed ellipsoid, 0.8-1 cm long, 0.5 cm diam.

Lavori in corso
Informazioni specie attualmente in fase di revisione!


Originaria, Venezuela

Known only from the understory of the lowland and montane cloud forest in the northern Coastal Cordillera, state of Miranda, Venezuela; normally between 600-1000 m.

Località: Venezuela (10.500581°N, -66.507629°E)

Mappa non può rappresentare la distribuzione naturale completo. (Markers, indicano i dati di osservazione).

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