Parts of Tucson are looking pretty in pink, as local ironwood trees dress up for what botanists are calling one of the best blooms in years. “It has been since before COVID that we have had such a ...
A centuries-old temple and six ancient ironwood trees in Ninh Binh are preserved by villagers as sacred treasures passed down through generations.
Mature ironwoods around Tucson make the oldest saguaros look like mere youngsters by comparison. “Estimates show some (ironwood) trees to be 800 years old, and it is likely that they live even longer, ...
Interior Alaskan forests have only six native tree species: white spruce, black spruce, quaking aspen, balsam poplar, larch (tamarack) and paper birch. Northern Canadian forests have all of those, plus jack pine, balsam fir and lodgepole pine. Since northern Canada and interior Alaska share the same grueling climate and extremes of daylength, why are the Canadian tree species absent from ...
It is common for people in interior Alaska and corresponding areas of northwestern Canada to use the name cottonwood when referring to one widespread variety of deciduous tree.
A tree's age can be easily determined by counting its growth rings, as any Boy or Girl Scout knows. Annually, the tree adds new layers of wood which thicken during the growing season and thin during the winter. These annual growth rings are easily discernible (and countable) in cross-sections of the tree's trunk. In good growing years, when sunlight and rainfall are plentiful, the growth rings ...
I eventually found a tree with a spiral lightning mark and it followed the spiral grain exactly. One tree, of course, proves nothing. "But why should the tree spiral? More speculation here: Foliage tends to be thicker on the south side of the tree because of better sunlight.