Figure from Athenian red-figure vase with trefoil plant. According to tradition, the curling stem of a species of trefoil cpmmon in Greece gave inspiration to the volute seen in Ionic capitals.
Original of the Ionic Volute from an Athenian terra-cotta Vase.
CLARKE, Edward Daniel. Travels in various countries of Europe, Asia and Africa. Part the second: Greece, Egypt and the Holy Land: Section the third. To which is added a Supplement respecting the Author's Journey from Constantinople to Vienna, containing his Account of the Gold Mines of Transylvania and Hungary, London, T. Cadell and W. Davies, MDCCCXVI [=1816].
Art and antiquities
The Gennadius Library - The American School of Classical Studies at Athens