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Paulownia tomentosa. Paulownia is a genus of angiosperm trees, and one of the fastest-growing trees in the world. [12] Paulownia tomentosa can grow over 30 metres (98 ft) tall and has large heart shaped leaves ranging from 10–20 centimetres (4–8 in) wide and 15–30 centimetres (6–12 in) long with a 10–20 centimetres (4–8 in)-long petiole. [13]
Pollarded trees do not produce flowers, as these form only on mature wood. Paulownia tomentosa requires full sun for proper growth. [15] [16] It is tolerant of pollution and can tolerate many soil types. It can also grow from small cracks in pavements and walls. Paulownia can survive wildfires because the roots can regenerate new, very fast ...
Its body is made of a single piece of paulownia wood. The resonator chamber is hollowed out of the piece of paulownia. The sanjo gayageum is about 142 cm long by 23 cm wide by 10 cm deep. The soundboard is made of paulownia, but the sides and back are of a harder wood such as chestnut or walnut. [2]
When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...
Paulownia elongata is a species of tree in the family Paulowniaceae, native to Asia. The plant's leaves are very large and pubescent ('fuzzy—hairy'). This species can withstand a very wide range of environmental conditions.
The Pinaceae (/ p ɪ ˈ n eɪ s iː ˌ iː,-s i ˌ aɪ /), or pine family, are conifer trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, piñons, larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales.
Paulownia fortunei commonly called the dragontree, dragon tree or Fortune's empress tree, is a deciduous tree in the family Paulowniaceae, ...
The wood is also cut into two patterns, itame (also called mokume), which has a swirling pattern, or straight-lined masame. The straight lined pattern is easier to manufacture, so the swirl raises the cost of production, and is therefore reserved for decorative and elegant models. [5] The body of a traditional koto is made of Paulownia wood. [11]