To obtain centerpiece about 23.5” in diameter, use crochet cotton no. 5 and steel hook US size 2.

Pattern 12 in Magic Crochet.
Called “Festival” in Crochet d’Art.
Called “Corola Gigante” in Ganchillo Artistico.
Called “Round Daisy” in Crochet Monthly 116.
Shown on back cover of Crochet Monthly 296; called Cacao Grove.