Sorbus esserteauana Sorbus esserteauana Sorbus esserteauana, commonly known as Esserteau's rowan, is a species of rowan. It is a small tree, typically tall growing in mountain thickets and cliffs. It is an endemic species to China, being only found in western Sichuan. It has small white flowers and small red berries that are actually a pome fruit. Unlike all other species of "Sorbus", the fruit are hard and inedible to humans, but they are eaten by birds that scatter the seeds. It is cultivated as an ornamental plant in gardens and parks for its decorative fruit and because it attracts birds. When
Sorbus aucuparia be applied to other species in "Sorbus" subgenus "Sorbus", and mountain ash may be used for several other distantly related trees. The species is unrelated to the true ash trees (genus "Fraxinus"), which also carry pinnate leaves or the species "Eucalyptus regnans", also called mountain ash, native to Tasmania and Victoria in southeastern Australia. "S. aucuparia" was previously categorized as "Pyrus aucuparia". The author citation "Sorbus aucuparia" L. belongs to Carl Linnaeus. "Sorbus aucuparia" occurs as a tree or shrub that grows up to between 5 and 15 m in height. The crown is loose and roundish or irregularly shaped