willow are generally associated with the weeping willow , which is a monolithic tree diagram have intercourse for its invasive roots . Although the tears willow tree has a bad reputation for taking over other works and causing scathe to septic tanks and sewer lines , it represents only a few invasive willow specie . Willow bush are grow more for their colourful bud , ament and contorted shapes , notice the Bark and Bloom site . Because willow shrubs are smaller than tree , they ’re more doable .
Identification
Willow bush have thin , long leave of absence . Carefully noticing details of a plant sometimes avail in name a particular willow species , read Michigan State University Extension ’s Upper Peninsula Tree Identification site . For example , the leaves of a pussy willow tree ( Salix discolor ) alternate on the root word and are simple with margin that are totally irregularly and coarsely notched . Undersides of a puss willow are white , according to the University of Wisconsin ’s Cofrin ’s Center for Biodiversity . Willows lack true concluding bud and their side buds are often press closely to the twig , according to Uptreeid .
Size and Geography
There are more willow bush than willow trees . Although , there are more than 300 metal money of willow worldwide , only 38 of them ever arise as large as tree size . willow are mostly site in the northern cerebral hemisphere . They grow in temperate regions with about 120 species found in North America .
Willow Flowers
Willows peak are borne in clusters have sex as catkin . The appearance of willow tree catkin is a signboard spring has arrived . They lack petals and are dioecian , according to University of Wisconsin ’s Center for Biodiversity . This means each flower has only distaff or male parts , rather than hold both on the same flower .
Types
The black willow tree is identified by its yellowish twigs . Black willows have leaves that are 3 to 6 inches long , but only 6 inches wide , observe MSU Extension . They have farewell with rounded bases and promising yellowish sprig can be spot even while driving along a main road .
The mottled willow has bright pink shoots that give up to dark-green and creamy - white variegated leave of absence , agree to Washington State University Extension . The bush ’s leave turn yellow in pin and its limbs grow in a weeping pattern . Twig growth is undimmed crimson in winter .
Bobb ’s willow is a tall shrub with gray , broken barque . It can seem idle in wintertime because of its scrubby physical body . Its leave of absence , which are coarse and toothed , are wider than most willow foliage .
Benefits
Although a willow ’s wood is wanton and gentle , it ’s also tough and does n’t sliver , making it useful for making items such as tool handles , steamship paddlers and unreal arm , allot to Kibsey Craft . The barque from a bloodless willow shrub contains a chemical bonk as salicin , which is similar to aspirin and used for relieving pain . In fact , salicin was used to make St. Joseph in the 1800s , according to the University of Maryland Medical Center website .
