The flowers are produced in early spring before the leaves they are solitary or paired, 2.5–3 cm diameter, pink, with five petals. The leaves are lanceolate, 7–16 cm (3– 6 + 1⁄ 2 in) long, 2–3 cm ( 3⁄ 4– 1 + 1⁄ 4 in) broad, and pinnately veined. Prunus persica trees grow up to 7 m (23 ft) tall and wide, but when pruned properly, they are usually 3–4 m (10–13 ft) tall and wide. Spain, Italy, Turkey and Greece, all situated in the Mediterranean region, are prominent producers of peaches. In 2018, China produced 62% of the world total of peaches and nectarines. The skin of nectarines lacks the fuzz (fruit-skin trichomes) that peach skin has a mutation in a single gene ( MYB25) is thought to be responsible for the difference between the two. Peaches and nectarines are the same species, though they are regarded commercially as different fruits. Due to their close relatedness, the kernel of a peach stone tastes remarkably similar to almond, and peach stones are often used to make a cheap version of marzipan, known as persipan. The peach is classified with the almond in the subgenus Amygdalus, distinguished from the other subgenera by the corrugated seed shell ( endocarp). It belongs to the genus Prunus, which includes the cherry, apricot, almond, and plum, in the rose family. The specific name persica refers to its widespread cultivation in Persia (modern-day Iran), from where it was transplanted to Europe. It bears edible juicy fruits with various characteristics, most called peaches and others (the glossy-skinned, non-fuzzy varieties), nectarines. The peach ( Prunus persica) is a deciduous tree first domesticated and cultivated in Zhejiang province of Eastern China. Persica potaninii (Batalin) Kovalev & Kostina.
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