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Many animals eat unripe acorns on the tree or ripe acorns from the ground, with no reproductive benefit to the oak, but some animals, such as squirrels and jays serve as seed dispersal agents. Jays and squirrels that scatter-hoard acorns in caches for future use effectively plant acorns in a variety of locations in which it is possible for them ...
The nuts stem from oak trees, and can actually elicit a mild, nutty flavor. "Acorns can certainly be safe to consume, when prepared properly, and have some health benefits ," registered dietitian ...
At the end of the growing season, a one-year sapling may have a taproot 1.37 m (4 + 1 ⁄ 2 ft) deep and a lateral root spread of 76 cm (2 + 1 ⁄ 2 ft). [10] The West Virginia state champion bur oak has a trunk diameter of almost 3 m (10 ft). Large bur oaks, older than 12 years, [11] are fire-tolerant because of their thick bark. [10]
Although smaller individuals may be top-killed, most resprout from the root crown. [13] A variety of mammals and birds eat the acorns, including the acorn woodpecker, California scrub jay, yellow-billed magpie, and California ground squirrel. [10] The acorns are also attacked by bruchid beetles, but can survive moderate levels of infestation. [14]
Quercus myrsinifolia is an evergreen oak tree that grows up to 20 metres (66 ft) tall. Leaves are 60–110 × 18–40 mm with serrulate margins; the petiole is 10–25 mm long. The acorns are ovoid to ellipsoid, 14–25 × 10–15 mm, and glabrous with a rounded apex; the flat scar is approx. 6 mm in diameter. Cupules are 5–8 × 10–18 mm ...
The cork oak develops a taproot that reaches a depth of 1 to 2 m (3 + 1 ⁄ 4 to 6 + 1 ⁄ 2 ft) and from which several meters long, horizontally running side roots extend. [9] The trees can live over 400 years, and harvested specimens can be 150 to 200 years old.
The acorns of the Shumard oak provide food for various songbirds, game birds such as wild turkey and quail, waterfowl, white-tailed deer, feral hogs, and various rodents such as squirrels. The leaves and twigs can also provide browse for white-tailed deer. [6] Oak wilt can attack all red oaks, including
The tree crown is very dense, making it valuable for shade, and the species provides nest sites for many mammal species. Native Americans extracted a cooking oil from the acorns, used all parts of live oak for medicinal purposes, leaves for making rugs, and bark for dyes. [21] The roots of seedlings sometimes form starchy, edible tubers.