Stitchfinder: Crochet Stitch: Petal Mesh

Petal
[Yo, insert hook into 4th ch from hook, yo and draw up a lp, yo and draw through 2 lps on hook] twice, [yo and draw through 2 lps on hook] twice.

(make odd number of petals by working row 1)

Row 1 Ch 5, make petal, *ch 4, make petal; rep from * for desired odd number of petals. Turn. 
Row 2 Ch 7, petal in 4th ch from hook, *1 sc between first and 2nd petals of row 1, ch 4, make petal; rep from *, end 1 dc in first ch of row 1. Turn. 
Row 3 Ch 7, petal in 4th ch from hook, *ch 4, make petal, skip 2 petals, 1 sc in sc, ch 4, make petal; rep from *, end ch 4, make petal, 1 dc in ch-sp. Turn. 
Row 4 Ch 7, Petal in 4th ch from hook, *ch 4, make petal, skip 2 petals, 1 sc in between 3rd and 4th petals of previous row, ch 4, make petal; rep from *, end 1 dc in ch-sp. Turn.

Rep row 4.

Stitch directions reproduced with permission, from Vogue Knitting Stitchionary: Volume Four, Sixth & Spring Books, 2007