Its leaves are alternate, sparsely opposite, usually narrow and long, mostly lanceolate, pinnately veined, serrated or entire.
Willow is suitable for various ecological environments. Willow grows in mountains, plains, sand dunes and polar regions.
Willow is one of the earliest and most widely planted plants in China.
Willow is a kind of plant with ecological amplitude, which has wide adaptability to the environment. Like light, wet and cold, it is a medium-sized wet tree species.
However, some varieties are also more drought-tolerant and salt-tolerant, and can grow in places with poor ecological conditions.
Salix matsudana is produced in the north, northeast and northwest plains of China.
Weeping willows spread all over China and were introduced to many countries in Europe, Asia and America.
Korean weeping willow, round-headed willow, long-column willow, white willow, big white willow, thin-column willow and qiliu are mostly produced in northeast China.
Yunnan willow is produced in China, Yunnan, Guangxi, Guizhou and Sichuan.
Purple willow is produced in the lower reaches of the Yangtze River in China.
Salix macrophylla is produced in Sichuan Province, China.
Cotton willow has been introduced in China, Beijing, Shanghai, Guangzhou and other cities.