With MC, ch 11, turn to back, skip 1 and sc 10 into single back loop of chain
sl st across short edge without turning
ch 2, sk 2, tc inc 2, dc 2, hdc 2, ch 2, sk 2, ss 2, ch 3, ss 2, ch 2, hdc 2, dc 2, tc inc 2, ch 2, sk 2, ss into beginning st of the row
cut end, pull up through working loop to tie off, leaving tail long enough to sew with or to weave in, as desired.

With CC, pick up a loop at the base of the leaf and sc a decorative line up the foundational center chain of the leaf. cut end and pull up through working loop, then through top loop of leaf. Weave in end on the underside of the leaf.

Small leaf:
Use smallest hook.

With MC, ch 7, turn to back, skip 1 and sc 6 into single back loop of chain
Sl st across short edge without turning
ch 2, sk 2, dc inc 2, hdc 1, ch 2, sk 2, ss 2, ch 3, ss 2, ch 2, hdc 1, dc inc 2, ch 2, sk 2, ss into beginning st of the row
Cut end, pull up through working loop to tie off, leaving tail long enough to sew with or to weave in, as desired.

With CC, sc all the way around the edge to tip of leaf, ch 3, then sc around to bottom edge. Ss into first CC st, then cut end and pull through working loop. Weave in end.

With MC, sc all the way around to the tip of the leaf, ch 4, then sc around to bottom edge. Ss into first MC st, then cut end and pull through working loop. Weave in end.