In 1991 the then most comprehensive book about hostas,
The Genus Hosta by
W. George Schmid,
was published. It was the
first intensively researched book about the entire genus which,
until that time, suffered from a lot of misinformation and name
confusion. As the result of his research, Schmid determined
that several of the plants previously treated as separate,
species were, in fact, cultivated varieties, i.e. cultivars,
created by nurseries and hybridizers or of unidentified origin .
This hosta is one which was historically
considered a natural species but was changed to a cultivar by
For more on this process.. .