Pelargonium hortorum was created in 1916.

Pelargonium.

Is actually the genus of the plant, not the species

Answer.

Geranium is a genus of the Family Geraniaceae.

There are aproximatly 160 species distributed over the temperate regions of the world.

Pelargonium is a genus of about 230 species of the Geraniaceae family. . The Zonal Pelargonium is known,erroniously, as a geranium.

The geranium's genus is Pelargonium which contains many species..

They are the blooms of the zonal pelargonium plant. That is what is usually referred to as geraniums. There is also a genus called 'geranium'.

....on the left for more information.

Pelargonium peltatum is the Botanical name for the ivy leaved geranium. Kolsuring is the name given to one particular cultivar by the raiser, therefore th correct name is Pelargonium peltatum Kolsuring.