Prunus spinosa Britain, and in Germany and other central European countries. Sloes can also be made into jam, chutney, and used in fruit pies. Sloes preserved in vinegar are similar in taste to Japanese "umeboshi". The juice of the fruits dyes linen a reddish colour that washes out to a durable pale blue. Blackthorn makes an excellent fire wood that burns slowly with a good heat and little smoke. The wood takes a fine polish and is used for tool handles and canes. Straight blackthorn stems have traditionally been made into walking sticks or clubs (known in Ireland as a shillelagh). In
Prunus yunnanensis from 3.5 to 6cm long and 2 to 3.5cm wide. The leaves are a darker green on the top surface. Typically the inflorescences have 3 to 9 flowers borne on subcorymbose racemes or long racemes. Each flower has 33–45 stamens. The fruit, a drupe, is purplish red, 7 to 10mm by 5 to 8mm. It is planted as an ornamental street tree in Kunming, the capital of Yunnan. Prunus yunnanensis Prunus yunnanensis, the Yunnan cherry () is a species of "Prunus" native to Yunnan, Guangxi, Sichuan and adjacent provinces of southeast China, preferring to grow at 1900–2600m. The white flowers