Malus hupehensis Malus hupehensis Malus hupehensis, common names Chinese crab apple, Hupeh crab or tea crabapple, is a species of flowering plant in the apple genus "Malus" of the family Rosaceae. It is native to China. "Malus hupehensis" is a vigorous deciduous tree growing to tall and broad. It has pink buds, opening to fragrant white blossoms in Spring. It produces bright red, cherry-sized crab-apples in the Autumn. The plant is cultivated as an ornamental tree, for planting in gardens. It has gained the Royal Horticultural Society's Award of Garden Merit. "Malus" is the ancient Latin name for apple trees. "Hupehensis" means
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 –