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Description. Fraxinus pennsylvanica is a medium-sized deciduous tree reaching 12–25 metres (39–82 feet) (rarely to 45 m or 148 ft) tall with a trunk up to 60 centimetres (24 inches) in diameter. The bark is smooth and gray on young trees, becoming thick and fissured with age. The winter buds are reddish-brown, with a velvety texture.
Fraxinus latifolia is a medium-sized deciduous tree that can grow to heights of 20–25 metres (65–80 feet) in height, with a trunk diameter of 40–75 centimetres (16–30 inches) in its 100−150-year average life span. [4] Oregon ash can grow considerably larger and can have well over a 200-year life span, or become stunted and very small ...
Sorbus americana is a relatively small tree, reaching 12 metres (40 ft) in height. [5] The American mountain-ash attains its largest specimens on the northern shores of Lake Huron and Lake Superior. [6] It resembles the European mountain-ash, Sorbus aucuparia. Light gray, smooth, surface scaly. Branchlets downy at first, later become smooth ...
Federal and state officials said Monday the emerald ash borer, known for killing 99% of Michigan’s ash trees and killing thousands more across the East Coast, has been detected in Yamhill ...
Acer negundo is a fast-growing and fairly short-lived tree that grows up to 10–25 metres (35–80 feet) tall, with a trunk diameter of 30–50 centimetres (12–20 inches), rarely up to 1 m (3 ft 3 in) diameter. It often has several trunks and can form impenetrable thickets. [4] The typical lifespan of box elder is 60 - 75 years.
Pumpkin ash is a member of the olive family and is placed in section Melioides of the genus Fraxinus. [7]Historically, it was frequently called Fraxinus tomentosa Michx., but since Michaux used this name interchangeably with the species now known as green ash (F. pennsylvanica), the name Fraxinus profunda, which was applied by Benjamin Franklin Bush in 1901, was given precedence.
Fraxinus excelsior 'Hessei', also known as one-leaved ash[1] or simple-leaved ash, [2] is a cultivar of the Fraxinus excelsior species native to Europe and Western Asia. It is known for being vigorous, seedless, and pest resistant. [2] It is widely cultivated as a shade tree, having lustrous, dark-green foliage. [2]
Fraxinus griffithii. Fraxinus griffithii, the Himalayan ash or evergreen ash is a species of flowering tree. It has been recorded in the Philippines, Indonesia, Vietnam, Myanmar, Taiwan, China, Bangladesh and India. This plant is commonly grown as an ornamental in Australia, where it is an invasive species. [2][3][4]