Quote:
Originally Posted by plantluvver
Then perhaps this isn't the rare treasure I thought it might be.
First, the vendor was trying to discourage me from looking for fragrance by saying fragrance was a recessive trait. But I am sure fragrance is much more complicated than that! Surely there must be multiple genes involved! (I asked his help, because I did not want to dig through his entire display unnecessarily.)
I did learn from him that all orchid genera ending "-ara" involve at least 4 genera. So there at likely
at least seven different ancestors in this cross. (Although it is possible the same species might appear in both lines)
I imagine that with such complex parentage, odd things might happen. Though I really am just guessing here.
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Early on, they started the artificial genus names when there were 4 genera involved (Cattleya x Laelia x Brassavola x Sophronitis = Potin
ara). Later
it probably became a sport for some breeders to create plants deserving of such new names, and they started to do it for 3 genera.
With the subsequent transfers of many species from one genus to another (and sometimes a third or fourth), many of the original 'ara' names are no longer valid, and even more are now incorrect for the plants they are attached to.
Secondly, many breeding lines have reached 10-15 generations. Thus, a given Cattleya hybrid can easily have 10 or more different species in the background.
Thirdly, Fred Clarke is probably correct that fragrance is a recessive trait, but it is fairly pervasive in the Cattleya group.