Monday, February 10, 2020

orange wooden building near green trees at daytime



orange wooden building near green trees at daytime






Willows, also called sallows and osiers, form the genus Salix, around 400 species[2] of deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere. Most species are known as willow, but some narrow-leaved shrub species are called osier, and some broader-leaved species are referred to as sallow (from Old English sealh, related to the Latin word salix, willow). Some willows (particularly arctic and alpine species) are low-growing or creeping shrubs; for example, the dwarf willow (Salix herbacea) rarely exceeds 6 cm (2.4 in) in height, though it spreads widely across the ground. The leaves are typically elongated, but may also be round to oval, frequently with serrated edges. Most species are deciduous; semievergreen willows with coriaceous leaves are rare, e.g. Salix micans and S. australior in the eastern Mediterranean. All the buds are lateral; no absolutely terminal bud is ever formed. The buds are covered by a single scale. Usually, the bud scale is fused into a cap-like shape, but in some species it wraps around and the edges overlap.[4] The leaves are simple, feather-veined, and typically linear-lanceolate. Usually they are serrate, rounded at base, acute or acuminate. The leaf petioles are short, the stipules often very conspicuous, resembling tiny, round leaves, and sometimes remaining for half the summer. On some species, however, they are small, inconspicuous, and caducous (soon falling). In color, the leaves show a great variety of greens, ranging from yellowish to bluish color. Willows are among the earliest woody plants to leaf out in spring and the last to drop their leaves in autumn. Leafout may occur as early as February depending on the climate and is stimulated by air temperature. If daytime highs reach 55 °F (10 °C) for a few consecutive days, a willow will attempt to put out leaves and flowers. Leaf drop in autumn occurs when day length shortens to approximately ten hours and 25 minutes, which varies by latitude (as early as the first week of October for boreal species such as S. alaxensis and as late as the third week of December for willows growing in far southern areas). Some of humans' earliest manufactured items may have been made from willow. A fishing net made from willow dates back to 8300 BC.[19] Basic crafts, such as baskets, fish traps, wattle fences and wattle and daub house walls, were often woven from osiers or withies (rod-like willow shoots, often grown in coppices). One of the forms of Welsh coracle boat traditionally uses willow in the framework. Thin or split willow rods can be woven into wicker, which also has a long history. The relatively pliable willow is less likely to split while being woven than many other woods, and can be bent around sharp corners in basketry. Willow wood is also used in the manufacture of boxes, brooms, cricket bats, cradle boards, chairmans and other furniture, dolls, flutes, poles, sweat lodges, toys, turnery, tool handles, veneer, wands and whistles. In addition, tannin, fibre, paper, rope and string can be produced from the wood. Willow is also used in the manufacture of double basses for backs, sides and linings, and in making splines and blocks for bass repair.#fastitlinks.com
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