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acacia, Wright Also known as: catclaw, Wright Acacia greggii var. wrightii More about this tree... anacahuita Also known as: Mexican-olive; olive, wild Cordia boissieri More about this tree... anacua Also known as: sandpaper-tree Ehretia anacua More about this tree... apes-earring, ebony Also known as: blackbead, ebony; ebano; ebony, Texas ...
Rio Grande cottonwood (Populus deltoides ssp. wislizeni) reach immense size in West Texas; quaking aspen (P. tremuloides) occurs only in the highest mountains of West Texas; Lombardy poplar (P. nigra) has a distinct 'columnar' form.
Understanding a tree's adaptations and living requirements helps when identifying trees. Back to Top. Habitat. Understanding that trees require water, sunlight, nutrients and space is just the beginning in comprehending a species habitat. Every species is best adapted to a particular combination of environmental factors or conditions.
Tree Description: A shrub or small to medium-sized tree, to 30 feet tall and a trunk to 16" in diameter, usually with forks or branches very close to the ground forming a dense, dark green, conical crown of foliage.
Texas live oak (Quercus fusiformis) occurs north and west of the Balcones Escarpment in Central Texas and tends to be smaller and multi-trunked. Mexican blue oak (Q. oblongifolia) is a rare evergreen oak that occurs in West Texas.
Young trees display a narrow, conical outline, but old trees have a swollen, fluted base, a slowly tapering trunk, and a broad, open, flat top. In swamps they develop distinctive woody growths from the root system called "knees."
The most common elm tree in Texas, distributed widely in East, South, and Central Texas. Most often found near streams, in solid stands on flatwoods near rivers, or on dry limestone hills. Also planted widely as a landscape tree.
How Trees Grow. The buds, root tips, and cambium layer are the three growing parts of the tree. Buds elongate the branches and widen the crown (branches and leaves), the cambium layer adds diameter to the tree, and the root tips grow in length to support the growth of the tree.
The spread of oak wilt disease in Central Texas can often be linked to the movement of firewood from infected red oaks. These trees produce "fungal mats" under the bark where certain insects feed; it is these insects that can infect new trees where the firewood has been moved.
Tree Description: A small, vase-shaped landscape tree to 30 feet tall and a trunk to 12" in diameter, with a flat crown that is often wider than tall. Often short-lived due to mimosa vascular wilt.