Sorbus esserteauana published the epithet was written as "esserteauiana". However, according to ICBN (Vienna Code) Art. 60.11 and 60C.1(c), the connecting vowel "-i-" in it is unnecessary and thus must be deleted. 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
Sorbus × hybrida Sorbus × hybrida Sorbus "×" hybrida, the oakleaf mountain ash, Swedish service-tree or Finnish whitebeam, is a hybrid species of whitebeam native to Scandinavia in Norway, eastern Sweden, and southwestern Finland, and locally in the Baltic States in Latvia. It is a medium-sized deciduous tree growing to 10–15 m tall with a stout trunk up to 60 cm in diameter, and grey bark. The crown is columnar or conic in young trees, becoming rounded with age, with branches angled upwards. The leaves are green above, and densely hairy with white hairs beneath. 7–12 cm long and 5–8 cm broad, the