Geonoma pinnatifrons membranacea (Geonoma pinnatifrons membranacea)
Description
Geonoma is a genus of small to medium-sized palms native to the forest understorey of tropical Central and South America. This palm genus is one of the largest in the Neotropics. Its 64 species are distributed from Mexico and Haiti in the north to Paraguay in the south; two are found in the Lesser Antilles. Palm 3.3 (1.0-8.0) m tall; stems 2.6 (0.1-6.0) m tall, 2.1 (1.2-3.2) cm in diameter, solitary or clustered, not cane-like; internodes 1.1 (0.3-2.5) cm long, yellowish and smooth. Leaves 12 (6-23) per stem, irregularly pinnate, not plicate, bases of blades running diagonally into the rachis; sheaths 32.5 (13.0-63.0) cm long; petioles 54.9 (10.0-125.0) cm long, drying green or yellowish; rachis 89.1 (36.0-163.0) cm long, 6.6 (1.9-14.5) mm in diameter; veins raised and rectangular in cross-section adaxially; pinnae 9 (2-39) per side of rachis; basal pinna 42.3 (21.5-65.0) cm long, 4.7 (0.5-22.5) cm wide, forming an angle of 47 (20-70)° with the rachis; apical pinna 33.6 (16.0-61.0) cm long, 17.3 (3.5-44.5) cm wide, forming an angle of 29 (21-37)° with the rachis.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Liliopsida
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Order: Arecales
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Family: Arecaceae
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Genus: Geonoma
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