Palm Trees Amazon 27 (1853)
Subcanopy to canopy palm. Stems clustered, to 20 m tall, 10-15 cm in diameter. Leaves to 3 m long; crownshaft sometimes orange or red; petiole with numerous black adpressed scales; pinnae 40-60 on each side, regularly inserted, narrow, slightly pendulous, the central ones 40-70 cm long. Inflorescence erect, 30-50 cm long, with up to 100 branches inserted on all sides of the axis, these 3-4 mm in diameter and covered with short, whitish brown hairs. Fruits black, globose, ca. 1 cm in diameter. Endosperm homogeneous. Seedling leaves deeply bifid.
Patchily distributed E of the Andes in Venezuala, Colombia, Ecuador, Peru, and Brazil, in white sand areas below 350 m elevation and on the Andean slopes at 1100-1800 m elevation. In Ecuador it is known only from the mouth of the Pastaza valley near Puyo, in floodplain forest or in pasture.
Two varieties are recognised. The Ecuadorian plants belong to var. roraimae (Dammer) A. J. Hend. & Galeano
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