I've been following this conversation and I've learned a lot! I'm not that knowledgeable about patents or orchids but I do know computers. You can do a search on patents at the US Patent and Trademark office (
United States Patent and Trademark Office). I did a simple search on the word "orchid" in the patent images since 1976. Before that year, you are limited to searches by patent number and classification type.
Anyway, the results of my search are available here. The patent numbers starting with PP appear to be plant patents. Note that I searched on the word orchid in the abstract, so not all of the abstracts are for orchids. I found one that was not.
Patent Database Search Results: ABST/orchid in US Patent Collection.
Hope this helps.
Sydney