This species is a synonym of Geonoma macrostachys.  This species is native to the lowland and mountain rainforest of the western Amazon, neighboring Peru and Colombia.  This is a smaller palm species with short dark stems.  It has a stiff, upright, narrow entire leaves which are split at the tip.  The leaves are dark green, and under low light conditions, some palms can appear almost black.  New leaves emerge with a reddish purple to brownish color.  In cultivation, it is still very rare, but is a highly prized and sought after species due to its unique appearance.