Geonoma undata stenothyrsa (Geonoma undata stenothyrsa)
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 5.4 (0.9-17.0) m tall; stems 4.5 (0.7-15.0) m tall, 2.0 (0.9-5.0) cm in diameter, solitary or clustered, not cane-like or caespitose (growing in tufts or clumps); internodes 1.3 (0.5-5.7) cm long, yellowish and smooth. Leaves 10 (4-17) per crown, undivided or irregularly pinnate, not plicate or plicate, bases of blades running diagonally into the rachis; sheaths 39.4 (5.0-97.5) cm long; petioles 30.7 (0.0-113.0) cm long, drying green or yellowish; rachis 101.1 (17.0-265.0) cm long, 9.3 (2.2-28.1) mm in diameter; veins raised and rectangular in cross-section adaxially or not raised or slightly raised and triangular in cross-section adaxially; pinnae 19 (1-65) per side of rachis; basal pinna 43.3 (14.0-83.0) cm long, 3.2 (0.3-27.0) cm wide, forming an angle of 48 (10-90)° with the rachis; apical pinna 32.7 (8.0-66.0) cm long, 9.6 (0.1-30.0) cm wide, forming an angle of 25 (5-41)° 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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