Rowan some countries, but "Sorbus domestica", for example, has largely vanished from Britain, where it was traditionally appreciated. Natural hybrids, often including "Sorbus aucuparia" and the whitebeam, "Sorbus aria", give rise to many endemic variants in the UK. The traditional names of the rowan are those applied to the species "Sorbus aucuparia", "Sorbus torminalis" (wild service-tree), and "Sorbus domestica" (true service-tree). The Latin name "sorbus" was borrowed into Old English as "syrfe". The name "service-tree" for "Sorbus domestica" is derived from that name by folk etymology. The Latin name "sorbus" is from a root for "red, reddish-brown" (PIE "*sor-/*ser-"); English "sorb"
Sorbus aucuparia in an alternate leaf pattern on a branch., distinguishing them from those of ash, "Fraxinus excelsior", which are opposite and without stipules. The leaflets are elongated-lanceolate in shape, 2 to 6 cm long, and 1 to 2.5 cm wide with a sharply serrated edge, and have short stems or sit close to the central vein except for the outermost leaflet. Leaflets are covered in gray-silvery hairs after sprouting but become mostly bare after they unfold. Their uppers side is dark green and their underside is a grayish green and felted. Young leaflets smell like marzipan when brayed. The leaflets are