👉 In mathematics, a petalogy is a type of tree-like structure in which leaves are attached to the branches of a single parent. This type of structure can be used to create various plant structures such as stems, roots, and inflorescences. Petals are the primary units of a petalogy and they form the base of the structure. Each petal is surrounded by a set of leaves that extend from the stem, forming an organ called a pectrum. The leaves