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 Étienne-Louis Malus Étienne-Louis Malus (; ; 23 July 1775 – 24 February 1812) was a French officer, engineer, physicist, and mathematician. Malus was born in Paris, France. He participated in Napoleon's expedition into Egypt (1798 to 1801) and was a member of the mathematics section of the Institut d'Égypte. Malus became a member of the Académie des Sciences in 1810. In 1810 the Royal Society of London awarded him the Rumford Medal. His mathematical work was almost entirely concerned with the study of light. He studied geometric systems called "ray systems", closely connected to Julius Plücker's "line geometry". He conducted