The grass tree Xanthorrhoea is a uniquely Australian plant, which epitomises the Australian landscape and is as tough as goats' knees. It will withstand drought. Bushfires will burn the foliage and ...
Australia’s iconic grass-trees – aka yaccas – are hardy, drought-tolerant, and strikingly beautiful. Now, new research has revealed another, far more important, feature: their ability to protect ...
Clarence gives us some tips on growing an ancient Aussie icon - Grass trees. The Australia Botanic Gardens Mount Annan on Dharawal Country and is home to a few different species of grass trees. The ...
As forests continue to be cleared and forested landscapes degraded by human activity, their loss can significantly affect the trees left standing, potentially changing the structure of forests, a ...
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 ...