For this tutorial, I changed colors only so you can see the placement of the stitches, I did not take time to work in yarn ends, please ignore the sloppy color change.
This is a two row pattern repeat worked until the desired size is achieved. The first few rows are displayed here as a visual assistance to getting a proper start.
Work 1 sc between the first and second dc, ch 3; work (sc, ch 3, sc) in the center 2 ch space, (this makes a loop in the center space) ch 3, single crochet between seventh and eighth double crochet, turn.
Ch 3, work 3 dc in the first sc stitch, work 3 dc in each 3 chain space to point, work 3 dc, ch 2 , 3 dc in point, 3 dc in each 3 ch space to end, 4 dc in last sc stitch, ch 1, turn.