Thank you for the replies. I am searching the US patent office plant
database for new species but most are "cultivars" which are produced by
grafting. In short I am looking for a case where grafting procedures
produce new species without viral interaction. I take it, then, that if a
cultivar can be cross bred with anything, and then produce Mendalian
breeding charateristics, we have a brand-new species?


wrote in message
...
species in animals means those individuals that can breed and produce
fertile
offspring, but plants means can produce viable seed when pollinated by
another of
same species.
cultivar is an unusual mutation AKA sport. For example, hosta are all one
species,
but you will see hosta that are blue, hosta that are splashed with white
or yellow.
these are cultivars and reproduced usually by division. in orchids this
is even more
important cause the cultivar is registered and cloned to make thousands of
identical
plants. Ingrid




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