https://i0.wp.com/bonsailakemerritt.com/wp-content/uploads/2018/02/228_2005-11-04.JPG?fit=1024%2C768&ssl=1 Bonsai Detail Brief Description Nipple ginkgo or maiden-hair tree, form ‘Chichi-icho’ (Ginkgo biloba cv. ‘Chichi-icho’) Donated by Pete and Amy Sugawara. Small knobs on trunk resemble nipples. Common Name Nipple ginkgo or maiden-hair tree Scientific Name Ginkgo biloba cv. 'Chi-chi'