Column-Greek Erechtheum w/Decorative Necking & Ionic Flutes Authentic Replication Columns The Ionic Order has twenty-four flutes or vertical grooves which emphasize its height. The volutes, or stone spirals, are the most distinctive feature of these columns. The capital resembles an open scroll. The columns of the Erechtheum, a temple on the Acropolis, are of the Ionic Oder.