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Frost crack or Southwest canker [1] is a form of tree bark damage sometimes found on thin barked trees, visible as vertical fractures on the southerly facing surfaces of tree trunks. Frost crack is distinct from sun scald and sun crack and physically differs from normal rough-bark characteristics as seen in mature oaks , pines , poplars and ...
The tree was shaded by other trees in the nursery, but suddenly it’s out in full sun. The damage shows up after two or three years, and by then it’s too late.
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In its native rainforest habitat, Grevillea edelfeltii can grow as a tree to 30 m (100 ft) high. Its hard scaly bark is grey. Both adult and juvenile leaves are 6–30 cm (5.2–12 in) long; the juvenile leaves are pinnatifid, that is, divided into five to nine lanceolate (spear-shaped) lobes on each side of the leaf, while the adult leaves are a simple spear-shape (lanceolate) and 1–6 or ...
Aleurodiscus oakesii is a cluster of small, gray-white, irregular cup-shaped saprotrophic fungi that grows on decaying hardwood tree bark. This fungus may also be called hophornbeam discs, [1] and it causes smooth patch disease. A. oakesii is found year round in North America, Europe, and Asia and is commonly found on oak trees.
Quercus polymorpha, the Mexican white oak, Monterrey oak or netleaf white oak, is a North American species of oak.It is widespread in Mexico, Guatemala, and Honduras, and known from a single population in the United States (about 30 kilometres or 19 miles north of the Río Grande in Val Verde County, Texas) but widely planted as an ornamental.
Quercus hypoleucoides, though usually seen as a shrub, can be found to be a full-sized tree, 9 metres (30 feet) tall in areas where it receives sufficient water. [6] [7] The tree produces its flowers in the spring as most plants do. [8] It grows in warm regions and is used as an ornamental due to its unusual foliage. [9] Bark: Is dark gray in ...
Quercus garryana is an oak tree species named for Nicholas Garry, deputy governor of the Hudson's Bay Company. It is commonly known as the Garry oak, Oregon white oak or Oregon oak. The species is found in the Pacific Northwest, with a range stretching from southern California to southwestern British Columbia. [3]