Dry willow

a.m.: Willow, Liliu.


Form:

trees, up to 18m , chest diameter 80cm ; The bark was black and cracked. Branches extend straight or obliquely. Leaf shawl needle-shaped narrow, 5-10cm , the first end long and sharp, the base wedge, the edge has fine sawtooth, the back is slightly
white powder; Male flower sequence axis has hair, sliver wide egg-shaped, male 2 , flower separation, the base has hair, female flower room back belly each has 1 glands. Flowering

3-4


, and fruit ripe 4-5


October.


Distribution:China is widely distributed, the Northeast, North China, Northwest china and the Yangtze River basin provinces and regions, and the Yellow River basin as its distribution center, is one of the most common native tree species in the northern plains of China. Vertically distributed altitudes

1500m


below.


Habits:

, not resistant to shade, strong cold resistance, wet water, but also drought-resistant. The soil requirements are not strict, in dry and barren sand, low-humid river beaches and weak saline land can grow, and fertile, loose, wet soil is the most suitable, in the solid, sticky soil and heavy saline soil growth is poor. Fast growth,

8


up to 13m , chest diameter 25cm


. Life

50-70


years. The germination force is strong, the root system is developed, the main root is deep, the side root and the whisk root are widely in each soil layer. Solid soil, strong resistance to wind, not afraid of sand pressure. When the dry willow bark is flooded, it can quickly grow new roots suspended in the water, which is not afraid of flooding and planting easy to live an important reason.


Garden use and economic use: Willow has always been the love of our people, its soft green leaves, plump canopy, there are many varieties of cultivation variants, all give people a sense of kindness and beauty. In addition to the most easy to live, grow rapidly, leaves early, leaves late, adaptability and other advantages, since ancient times has become an important garden and urban and rural green tree species.