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Salix × fragilis is cultivated as a fast-growing ornamental tree. The cultivar 'Russelliana' (syn. S. × fragilis var. russelliana) is by far the most common clone of crack willow in Great Britain and Ireland, very easily propagated by cuttings. It is a vigorous tree commonly reaching 20–25 m (66–82 ft) tall, with leaves up to 15 cm long.
This species is almost entirely dependent on willow trees. [9] [11] They live on the bark of these trees and feed on their sap. [9] [11] These giant aphids survive year-round with the most activity being in late summer and early fall. [5] [9] [11] Their population numbers are known to be largely weather and temperature related. [12]
Frost crack or Southwest canker [1] is a form of tree bark damage sometimes found on thin barked trees, visible as vertical fractures on the southerly facing surfaces of tree trunks. Frost crack is distinct from sun scald and sun crack and physically differs from normal rough-bark characteristics as seen in mature oaks , pines , poplars and ...
Both tannin and salicin can be extracted from goat willow bark. The tree is not considered a good source of timber , as its wood is both brittle and known to crackle violently if burned. As with the closely related Salix discolor (American pussy willow), it is also often grown for cut flowers.
"Green Willow" is a Japanese ghost story in which a young samurai falls in love with a woman called Green Willow who has a close spiritual connection with a willow tree. [77] "The Willow Wife" is another, not dissimilar tale. [78] "Wisdom of the Willow Tree" is an Osage Nation story in which a young man seeks answers from a willow tree ...
White willow is a natural source of salicylic acid. Willow has long been used for medicinal purposes. Dioscorides , whose writings were highly influential for more than 1,500 years, [ 30 ] used "Itea" (which was possibly a species of willow) as a treatment for "painful intestinal obstructions", birth control, for "those who spit blood", to ...
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 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.