Some trees have showy flowers, others have pronounced bracts, and a variety of unimpressive catkins take the name of a flower on other trees. The trees we call broadleaf are categorized as angiosperms because they produce a flowering body. Start with the easiest visual identifier this time of year - does the tree have any leaves, needles, or scales present in the winter? Evergreen trees hold on to their foliage for more than one year, while deciduous trees will be bare every winter. Can only the most expert among us still identify trees through the winter? Certainly not! The introduction to tree identification for most amateur arborists is through their leaves - which works great for two-thirds of the year. Some leaves may hold on to the branches of deciduous trees through the winter, but an evergreen stays ever-green during our rainy season. With areas of Portland in hardiness zones 8b and 9a there's a lot that can grow here. See how many different evergreen oaks you can find that now call Portland home: An uncommon find, trees in the eucalyptus genus have a range of colorful peeling bark that bring delight to any winter wandering. Find and feel the bark of a lacebark pine ( Pinus bungeana), and a lacebark elm ( Ulmus parvifolia), to determine which reminds you of silken lace. Enjoy the drupes (or stone fruit) of an American holly ( Ilex opaca), and compare their evergreen leaves to those of the evergreen holly oak ( Quercus ilex).Ī tree's leaves can direct you to its identity fairly quickly, but some trees have such fantastic bark that you won't forget! Check out the ornamental Japanese maple ( Acer palmatum), and its 1,000+ different varieties whose bark is exposed in the winter - so many showing a full spectrum of ruby coats. Discover the pome clusters on a hawthorn ( Crataegus), holding onto the branches long after the leaves have fallen. Radiant red fruit on a tree brings a bright pop to an otherwise gloomy winter day. The Pacific Northwest's iconic Douglas-fir ( Pseudotsuga menziesii ) is a popular indoor holiday tree when it is small - but what can it look like when fully mature? Visit a false cypress ( Chamaecyparis)and try to determine which of six species the one you find is.Ī popular tree seen at the Yard Tree Giveaway, Vanderwolf's Pyramid Limber Pine ( Pinus flexilis) has a brilliant blue-green canopy that delivers a splash of color in winter. Check out one of Portland's many parks to find these gorgeous trees. There are many great cone-bearing evergreens to visit for fun structure, color, or form. The Pacific Northwest is well known for our evergreens - trees whose leaves, needles, or scales do not drop all their leaves at once, like deciduous trees do. Learn to change layers, add filters, and discover which trees live near you. If it is your first time using the online webmap, we have a quick introduction video available online. You can make your own tree walk anywhere in Portland using the Tree Inventory Projectwebmap. If you are looking for a new way to explore Portland, curious about the trees in a local park or neighborhood, or wanting to share a creative experience with neighbors, tree walks are a great way to stay connected. How to Build a Tree Walk Instructional Video
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