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In the northern hemisphere, leaf drop in autumn occurs when day length shortens to approximately ten hours and 25 minutes, which varies by latitude (as early as the first week of October for boreal species such as S. alaxensis and as late as the third week of December for willows growing in far southern areas).
Diamond willow is a type of tree with wood which is transformed into diamond-shaped segments that have alternating colors. Salix bebbiana , the most common, is a species of willow indigenous to Canada and the northern United States, from Alaska and Yukon south to California and Arizona and northeast to Newfoundland and New England.
The catkins grow before the leaves appear in the spring. [1] The leaves are green above and whitish underneath, and hairless. [4] This plant is a dominant species on the tundra in many areas. It commonly grows with sedges. It may form thickets with other species of willow along waterways and on floodplains. It grows in spruce woodlands and muskegs.
Flowers. 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.
Despite these Biblical references to "willows", whether in Latin or English, the trees growing in Babylon along the Euphrates River in ancient Mesopotamia (modern Iraq) and named gharab in early Hebrew, are not willows in either the modern or the classical sense, but the Euphrates poplar (Populus euphratica), with willow-like leaves on long ...
Pussy willow is a name given to many of the smaller species of the genus Salix (willows and sallows) when their furry catkins are young in early spring. These species include (among many others): Goat willow or goat sallow (Salix caprea), a small tree native to northern Europe and northwest Asia.
Salix alaxensis is a species of flowering plant in the willow family known by the common names Alaska willow and feltleaf willow. It is native to northern North America, where it occurs throughout Alaska and northwestern Canada .
Salix alba, the white willow, is a species of willow native to Europe and western and central Asia. [2] [3] The name derives from the white tone to the undersides of the leaves. It is a medium to large deciduous tree growing up to 10–30 m tall, with a