Orinjcrates
A Discworld, possibly Ephebian, philosopher, who wrote the scroll On the Nature of Plants.
Annotation
This has got to be a play on the construction of Greek names like Hippocrates (as Roundworld comedian Mike Harding, assuming a position of ignorance, described him, A man who made traveling boxes for large water-dwelling mammals). Of course, your greengrocer get's his fruit in orange crate's....