Peach leaf. Light micrograph (LM) of a transverse section through the leaf (pinna) of a peach tree.The peach is a deciduous tree native to the region of Northwest China where it was first domesticated and cultivated. It bears edible juicy fruits with various characteristics, most called peaches and others, nectarines. Present is a central vascular bundle made up of phloem sieve cells (blue) and xylem tracheids (red). Dicot leaves are dorsoventral as the upper and lower surfaces of the leaves are distinguished. The vascular bundle is large in dicot leaf whereas in monocot leaf, both small and large parallel vascular bundles are present. Magnification: x15 when printed at 10 centimetres wide.