Populus grandidentata
Branch with leaves
The Großzähnige poplar (Populus grandidentata ) is a deciduous tree of the genus of the poplars in the family of pasture plants. Their natural habitat is in the east of Canada and the United States.
Description
The poplar is Großzähnige can achieve a medium-sized, up to 35 meters high, rapidly at first vigorous deciduous tree, the diameter at breast height of 1.4 meters. The trunk is light gray, smooth in young trees, furrowed when older. The branches are quite thick, at first hairy gray-tomentose, later glossy brown, the buds are also hairy graufilzig. The leaves differ depending on whether they are on short shoots and long shoots. Leaves on long shoots have ovate, 7-10 cm long, pointed leaf blade with abgestutzter to broadly wedge -shaped base and coarsely serrated leaf margin sinuate. The upper leaf surface is dark green, the underside graufilzig initially, later bald and blue-green. Leaves on short shoots are elliptical, sharp cut with a long, thin, 2.5 to 6 cm long stem. The flowers are dioecious distributed as with all poplars. The male flowers are arranged in 3.5 to 6 cm long catkins. The outer leaves are lobed and fringed long. Male flowers have six to twelve stamens, female flowers four pen. The fruits are arranged in 6 to 12 cm long catkins. The species flowers from March to May the fruits ripen from May to June. The chromosome number is.
Distribution and location
The natural range is in North America in the east of Canada in the provinces of New Brunswick, Nova Scotia, Ontario, Prince Edward Iceland, Quebec and in southeastern Manitoba. In the U.S., one finds the way to the northeastern, north-central and southeastern states. Where it grows in species-poor forests from sea level up to 1000 meters on moderately dry to moderately moist, sandy, acidic to neutral soils in sunny locations. The species is frost hardy.
Systematics and history of research
The Großzähnige poplar (Populus grandidentata ) is a species of the genus poplar (Populus ) in the family of the willow family ( Salicaceae ). It was first described by André Michaux in 1803. It is used by some authors as Populus tremula subsp. grandidentata ( Michx. ) Á. Löve & D. Löve as a subspecies of the Common Aspen (Populus tremula ) viewed.
Use
The wood of poplar Großzähnigen is used very rarely economically.