Silver poplar

:

trees, up to 35m , chest diameter 2m ; The bark was gray-white, smooth, and cracked deep in old age. Young leaves and buds are white fluffy. Long branches of the leaf wide-ovoid or triangular shape of the egg-shaped, often palm-like 3-5shallow cracking, the first blunt tip of the crack, due to coarse teeth or lack of engraving Leaf-based cut-off or near-heart-shaped; short branches with small, ovoid or elliptical ovoids with irregularly wave-shaped blunt teeth; leaf handles slightly flat, glandless, back of old leaves and leaf handles densely white fluffy.fruit long conical,

2


cracked. Flowering period3-4 ; fruit ripe 4
(North China) -5(Xinjiang).


Distribution:

xinjiang (Erzis River) has wild natural forest distribution, northwest, north China, southern Liaoning and Tibet and other places have been cultivated. Europe, North Africa and western and northern Asia are also widely distributed.


Habits:

, not resistant to shade, strong cold resistance, no frost damage in Xinjiang -40 degrees Cconditions, drought-resistant, but not moisture-resistant heat. Suitable for continental climates. It can grow on barren sandy and light alkaline land, especially in wet fertile soil or shallow groundwater, but not well on sticky and overly barren soil. In the Aksu region of southern Xinjiang,

19


in




.

2m


, chest diameter

30


.

5cm


;

40




24


.

7m


, chest diameter

41cm


. In the humid and hot Yangtze River basin and its southern areas of poor growth, the trunk is curved and often shrub-like, and vulnerable to pests and diseases. Deep root, the root system is developed, the root germination force is strong. The normal life

90


years.


Ornamental features and garden use: Silver-white leaves and gray-white trunks are distinctive, leaves flutter in the breeze with a special flickering effect, tall trees and egg-shaped canopy is also quite beautiful. It is suitable for use in gardens as shade trees, walkway trees, or in lawns. At the same time, due to the developed root system and strong root germination force, it can also be used as solid sand, soil protection bank embankment and desert sand afforestation tree species.