Try to make your search as simple as possible:
Galedupa will find all items including that sequence of letters.
Search results for "Galedupa":
"Galedupa elliptica" - Paraderris elliptica
"Galedupa indica" - Millettia pinnata
"Galedupa pinnata" - Millettia pinnata
"Galedupa piscidia" - Millettia piscidia