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Japanese maple autumn leaves. Autumn leaf color is a phenomenon that affects the normally green leaves of many deciduous trees and shrubs by which they take on, during a few weeks in the autumn season, various shades of yellow, orange, red, purple, and brown. [1]
Temperate deciduous forests are characterized by a variety of temperate deciduous tree species that vary based on region. [6] Most tree species present in temperate deciduous forests are broadleaf trees that lose their leaves in the fall, [8] though some coniferous trees such as pines (Pinus) are present in northern temperate deciduous forests. [6]
In the fields of horticulture and botany, the term deciduous (/ d ɪ ˈ s ɪ dʒ u. ə s /) [1] [2] means "falling off at maturity" [3] and "tending to fall off", [4] in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, after flowering; and to the shedding of ripe fruit.
During the fall,the deciduous trees that line the canals turn to a brilliant array of autumnal colors and these are reflected in the water, creating an almost magical atmosphere.
Drought can affect fall colors. According to the U.S. Forest Service, a severe summer drought can delay the onset of fall color by a few weeks. Drought was particularly harsh in the mid-Atlantic ...
A warm period during fall will also lower the intensity of autumn colors, the U.S. Forest Service said. The latest forecast from the Climate Prediction Center shows that a warmer-than-average fall ...
The fall color is orange red and persists longer than usual. 'Autumn Flame' – A fast grower with exceptional bright red fall color developing early. The leaves are also smaller than the species. 'Autumn Radiance' – Dense oval crown with an orange-red fall color. 'Autumn Spire' – Broad columnar crown; red fall color; very hardy.
Prunus serotina is a medium-sized, fast-growing forest tree growing to a height of 15–24 metres (49–79 feet). The leaves are 5–13 centimetres (2–5 inches) long, ovate-lanceolate in shape, with finely toothed margins. Fall leaf color is yellow to red.