Yang, Canada

pattern:Trees, up to30m , chest1m ; The bark was gray-brown, rough, and cracked. Small branches under the leaf handle with3ridges, winter buds do not close to the first end. Leaf near positive triangle, length 7-10cm ; first tip, base cut, edge translucent, blunt teeth, hairless on both sides; leaf handle flat and long, sometimes with 1-2 glands on top. FloweringApril , fruit ripeMaymonths.Distribution:hybrids of American black poplar and European black poplars, which are now widely cultivated in Europe, Asia and the United States.introducedthe middle of the 19th century, widely cultivated in various places, with North China, Northeast China and the Yangtze River basin the most.Habits:advantages of hybrids are obvious, growth potential and adaptability are strong. Sexual light, quite cold, wet and well-drained all-round soil, waterlogging, saline and barren land have a certain patience, can adapt to the warm climate. Strong resistance to sulfur dioxide and absorption capacity. Fast growth, in good water fertilizer conditions12of the living tree height of 20m or more, chest diameter 34 . 2cm 。 The germination force and the germination force are strong. Strong life span. Ornamental features and garden uses: Canadian poplars are tall, the canopy is wide, the leaves are large and shiny, the summer shade is dense, very suitable for road trees, shade trees and protective forests. At the same time, it is also a good tree species greening and "" greening in industrial and mining areas. Because of its adaptability and fast growth, it has become one of the most common green tree species in North China and Jianghuai Plain in China.