This design is an example of form, but more specifically, naturalistic form. Naturalistic is when the design is derived from anything in nature, or a human figure. This particular form is a human figure, which makes it a naturalistic form.
The Secret Garden. Burnett Fountain Conservatory Garden, New York. This statuary fountain stands in the center of the Conservatory Gardens South Garden, a memorial tribute to Frances Hodgson Burnett, author of the childrens classics The Secret Garden