Here are some other pairs of plants that can be distinguished based on some difference in symmetry: Iris and buttercup - Iris flowers exhibit bilateral symmetry, with the petals and sepals arranged in a mirror-image fashion, while buttercup flowers exhibit radial symmetry, with the petals and sepals arranged around a central point. Pea and snapdragon - Pea flowers exhibit bilateral symmetry, with the petals arranged in a distinct upper and lower lip, while snapdragon flowers exhibit bilateral symmetry, with the petals arranged in a tube shape with a mouth at the top. Rose and daisy - Rose flowers exhibit radial symmetry, with the petals arranged around a central point, while daisy flowers exhibit bilateral symmetry, with the petals arranged in a circular pattern around a central disk. Tulip and lily - Tulip flowers exhibit radial symmetry, with the petals arranged around a central point, while lily flowers exhibit bilateral symmetry, with the petals arranged in a mirror-image fashion.