Malus florentina toxic if consumed in large quantities. Suitable for all kind of soils, with all levels of PH values, but prefers moist or wet soil that is well drained. Prefers full sun but can also manage when semi-shaded. Malus florentina Malus florentina is a species of apple known by the common names Florentine crabapple and hawthorn-leaf crabapple. It is native to the Balkan Peninsula and Italy, and it is grown elsewhere as an ornamental tree. The botanical name "florentina" and common name "florentine" are remarking the source of the municipality of Florence, Italy that has a major history of botanical collection
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 –