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European beech (Fagus sylvatica) bud. In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of a stem.Once formed, a bud may remain for some time in a dormant condition, or it may form a shoot immediately.
The pear-shaped nut ripens in September and October, has a sweet maple like smell, and is an important part of the diet of many wild animals. The wood is used for a variety of products, including fuel for home heating. Its leaves turn yellow in the Fall.
The leaf buds are green. The bud scales are valvate . The flowers are white, produced in corymbs up to 13 cm (5 in) in diameter at the top of the stems; each corymb comprises a ring of outer sterile flowers 2–2.5 cm ( 3 ⁄ 4 –1 in) diameter with conspicuous petals, surrounding a center of small (5 mm, 0.20 in), fertile flowers; the flowers ...
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The fall color is yellow-green to yellow. Both the twigs and leaves contain mucilaginous sap. The flowers are small, fragrant, yellowish-white, 10–14 mm ( 13 ⁄ 32 – 9 ⁄ 16 inch) in diameter, arranged in drooping, cymose clusters of 6–20 with a whitish-green leaf-like bract attached for half its length at the base of the cyme.
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Platanus occidentalis, also known as American sycamore, American planetree, western plane, [2] occidental plane, buttonwood, and water beech, [3] is a species of Platanus native to the eastern and central United States, the mountains of northeastern Mexico, extreme southern Ontario, [4] [5] and extreme southern Quebec. [6]
Damage to trees in forests can begin even before the buds have flushed. Early instar larvae mine and kill these buds. Late instar larvae are voracious feeders, chewing off needles at their bases. In heavy infestations, old foliage is also eaten. Increment loss, tree deformity, and tree mortality follow several years of heavy infestation. [57] [58]