It seems there are two "kinds" of Harlequin Hybrids.
1 - the type discussed here, with the Mid-Century background.
2 - the
modern type that Anthony shows with ancestry of L. davidii and L. cernuum. This type really proves L. cernuum's value in breeding: it has many (and "mysterious") color genes.
Lily (Lilium Harlequin)
Both are mentioned (sort of) in the Lily Registry here:
