Malus tschonoskii moist, well-drained soil. It can grow to tall by broad in 20 years, with an ultimate height of . It is cultivated as an ornamental tree, for planting in gardens. Malus tschonoskii Malus tschonoskii (common names Chonosuki crab and pillar apple) is a species of flowering plant in the family Rosaceae, native to Japan. The specific epithet "tschonoskii" refers to the 19th century Japanese botanist Sugawa Tschonoski. "Malus tschonoskii" is a strong-growing deciduous tree, it has a distinctive columnar habit and is particularly noted for its autumn colouring, when the glossy mid-green leaves turn to brilliant shades of yellow, orange,
Étienne-Louis Malus index between the surface and the interior of the glass). It was not until 1815 that Sir David Brewster was able to experiment with higher quality glasses and correctly formulate what is known as Brewster's law. This law was later explained theoretically by Augustin Fresnel, as a special case of his Fresnel equations. Malus is probably best remembered for Malus's law, giving the resultant intensity, when a polariser is placed in the path of an incident beam. His name is one of the 72 names inscribed on the Eiffel tower. Étienne-Louis Malus Étienne-Louis Malus (; ; 23 July 1775 –