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Salix nigra is a medium-sized deciduous tree, the largest North American species of willow, growing to 10–30 m (35–100 ft) tall, exceptionally up to 45 m (148 ft), with a trunk 50–80 centimeters (20–30 in) diameter. The bark is dark brown to blackish, becoming fissured in older trees, and frequently forking near the base. [3]
The Salicaceae are the willow family of flowering plants. The traditional family (Salicaceae sensu stricto ) included the willows, poplars, aspens, and cottonwoods. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly expanded the circumscription of the family to contain 56 genera and about 1220 species, including the ...
Salix exigua (sandbar willow, narrowleaf willow, or coyote willow; syn. S. argophylla, S. hindsiana, S. interior, S. linearifolia, S. luteosericea, S. malacophylla, S. nevadensis, and S. parishiana) is a species of willow native to most of North America except for the southeast and far north, occurring from Alaska east to New Brunswick, and south to northern Mexico. [2]
The red willow is a small tree up to 45 ft (14 m) in height. Like most other willows, it commonly grows along riverbanks and in other areas with high soil moisture. [3] The bark is ridged and grayish, though it sometimes turns reddish with age. Its form is variable, but it will often grow from multiple winding trunks, some more or less straight ...
Salix scouleriana is a deciduous shrub or small tree, depending on the environment, usually with multiple stems that reach 2 to 7 metres ( to 23 ft) in height in dry, cold, high elevations, and other difficult environments, and 10 to 20 m (33 to 66 ft) or more in favorable sites. The stems are straight and support few branches generally ...
Salix tetrasperma, commonly called Indian willow, is a medium-sized tree of wet and swampy places, shedding its leaves at the end of monsoon season. It flowers after leafing. The bark is rough, with deep, vertical fissures and the young shoots leaves are silky. The leaves are lance-like, or ovate-lancelike, 8–15 cm long, with minutely and ...
Salix humilis. Marshall [ 1] Salix humilis, known as prairie willow, is a species of willow native to the United States and Canada, east of the Rockies. [ 2] It is a shrub, 2–12 feet tall, which often forms thickets. The stems are yellowish to brown. The gray-green to blue-green foliage has insignificant fall color. [ 3][ 4]
In 2019, they caused $550 million in damages to crops and plants in Pennsylvania alone, according to Nature. The invasive bugs use their proboscis to drill into trees and plants to feed on their ...