I still don't know where I can find references,

Have you done a Web search?
Hermodactylus is a genus of irises. You should be able to find something,
perhaps under iris or Iridaceae.

Iris,
Central NY, Zone 5a, Sunset Zone 40
"The trouble with people is not that they don't know but that they know so much
that ain't so."
Josh Billings (Henry Wheeler Shaw), 1818-1885