The palmette is a motif in decorative art which, in its most characteristic expression, resembles the fan-shaped leaves of a palm tree, like palmyra leaf. It has a far-reaching history, originating in
Page in which appear various illustrations of palmettes, from A handbook of Ornament by Franz Meyer (1898)
Etruscan architectural plaque with palmettes, from late 4th century BC, painted terracotta, in the Metropolitan Museum of Art, New York City
Nefertem, bearing a lotus as his crown
The hieroglyph akhet of the horizon guarded by the twin lions of Aker
A rosette is a round, stylized flower design.
Ancient Greek funerary stele with three rosettes at the top, c. 150 BC, marble, Louvre
Greco-Buddhist rosettes at the bottom of a statue of the Buddha from Gandhara, 1st-2nd century AD, schistose rock, Tokyo National Museum
Sumerian bull with rosettes, c.3000 BC, black marble, Louvre
Priest-King, a Harappan artwork, 2400–1900 BC, low fired steatite, National Museum of Pakistan, Karachi