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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 fruit is a very bitter nut, 2–3 cm (3 ⁄ 4 – 1 + 1 ⁄ 4 in) long with a green four-valved cover which splits off at maturity in the fall, and a hard, bony shell. Another identifying characteristic is its bright sulfur-yellow winter bud.
Shumard oak twigs terminate in a cluster of buds. The buds are lighter in color than the olive-green twigs. The young twig is highly reflective. [6] The leaves are arranged alternately and are broadly obovate with 5–9 lobes, each of which is terminated by bristle-tipped teeth. The leaves mature to between 10 and 21 cm (4 and 8 in) in length.
The bud is enclosed in a sheath of two triangular bracts which fall as the blossom opens. Calyx: Sepals three, imbricate in bud, reflexed or spreading, somewhat veined, early deciduous. Corolla: Cup-shaped, petals six, 50 mm (2 in) long, in two rows, imbricate, hypogynous, greenish yellow, marked toward the base with yellow.
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.
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In hydra, a bud develops as an outgrowth due to repeated cell division at one specific site. These buds develop into tiny individuals and, when fully mature, detach from the parent body and become new independent individuals. Internal budding or endodyogeny is a process of asexual reproduction, favored by parasites such as Toxoplasma gondii. It ...
Stolons are stems that grow on the surface of the soil or immediately below it and form adventitious roots at their nodes, and new clonal plants from the buds. [2] [3] Not all horizontal plant stems are stolons. Plants with stolons are described as "stoloniferous". Stolons, especially those above the surface of the soil are often denominated ...