Prunus spinosa man is found in the famous case of a 5,300-year-old human mummy discovered in 1991 in the Ötztal Alps along the Austrian-Italian border (nick-named Ötzi): among the stomach contents were sloes. A "sloe-thorn worm" used as fishing bait is mentioned in the 15th-century work, "The Treatyse of Fishing with an Angle", by Juliana Berners. The flowering of the blackthorn may have been associated with the ancient Celtic celebration of Imbolc. Prunus spinosa Prunus spinosa, called blackthorn or sloe, is a species of flowering plant in the rose family Rosaceae. It is native to Europe, western Asia, and locally in northwest
Prunus buergeriana Prunus buergeriana Prunus buergeriana, in Japanese イヌザクラ (inu-zakura), meaning dog cherry, is a species of bird cherry native to Japan, Korea, Taiwan, China, northeast India (Sikkim), and Bhutan. In China it prefers to grow on mountain slopes at 1000 to 3400m above sea level. Its closest relative is "Prunus perulata", from which it is morphologically and genetically distinct. "Prunus buergeriana" individuals usually reach a height of . The small flowers are borne on a raceme. The fruit ripen from green through red to black. Considered an unlovely tree in Japan, the dog cherry is used as a simile in Japanese