 "Attalea crassispatha" has a single stem which grows up to tall.The stem is grey, up to in diameter, and can be columnar, or slightly swollen at the base of the middle of the stem.Individuals bear 15 to 19 pinnately compound leaves—leaves in which rows of leaflets emerge on either side of the axis of the leaf in a feather-like or fern-like pattern—with 127 to 165 pairs of leaflets.