>>92268>>92265Willows are incredibly resilient trees when they are grown in the moist conditions they prefer. You can literally saw their crown off and they'll just carry on, sprouting new branches and starting a new crown. These new branches get trimmed periodically (Every 1, 2, or 3 years). This practice will eventually lead to the tree forming a woody mass at the end of the trunk were it was first sawed off, where new branches will sprout from every year. This typical form is what one calls a knotted willow tree.
These periodically harvested branches are kind of a forgotten material, made obsolete by plastics and other advancements in material science. They were used for weaving baskets, making fishnets, as roofing, reinforcing dikes, ..
Pic related; a knotted willows (googlepic)
