Prunus spinosa 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 Africa. It is also locally naturalised in New Zealand, Tasmania and eastern North America. "Prunus spinosa" is a large deciduous shrub or small tree growing to tall, with blackish bark and dense, stiff, spiny branches. The leaves are oval, long and broad, with a serrated margin. The flowers are about in diameter, with five creamy-white petals; they are produced shortly before the leaves in early spring, and are hermaphroditic and
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