I know that paphs don't have chloroplasts in their guard cells.

Does that help you any?

K barrett

"Al" wrote in message
...
family
Orchidaceae

subfamily
Apostasioideae
Cypripedioideae
Epidendroideae
Orchidoideae
Vanilloideae?

Well, I feel a little better now. -oideae vs -aceae

For the record, that link was way over my head, but interesting to scan.
Very interesting. If I were to re-read it a dozen times something
important
might sink in. It seems to be saying that classic taxonomic
classifications
of orchids and the more modern gene based cladistic studies produce (for
the
most part) similar groupings.

"Dave Fouchey" wrote in message
news
Al this article provides some interesting info

http://www.amjbot.org/cgi/content/full/86/2/208

Dave