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Lacebark Elm
The Lacebark Elm tree, Ulmus parvifolia, is a superb tree for urban conditions and should be widely considered for use as a street tree. This deciduous shade tree is a very hardy, tough tree that is capable of withstanding the rigors of harsh climates, poor soils and streetscape situations. The species is known for quick growth, particularly if planted in fertile, well drained soils. The dark green, oval leaves of the lacebark elm vary from 3/4 to 2 1/2 inches in length. Most lacebark elms lose their leaves late in the fall. Fall leaf color is variable, but some yellowish to reddish purple is possible even in warmer climates. The bark of this elm is perhaps its finest feature. The grey bark begins to exfoliate or peel off in small patches as the trunk matures resulting in an interesting combination of mottled colors beneath, including green, gray, orange and brown. ... get more information
Bristlecone Pine The Bristlecone Pine, 'Pinus aristata', is a type of pine tree that can reach an age far greater than that of any other living thing known - up to 5,000 years. It is dense in growth, the shoots set with dark, short needles, five per bundle. The cones which occasion its names are indeed tipped by slender spines or bristles. Looks aside, bristlecone pine is famous because in its arid mountain home of Colorado, New Mexico and Arizona, it can live for thousands of years. In cultivation it proves slow, bushy, dark and enduring of difficult sites. |
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