Not orchid related- This has nothing to do with orchids, but I can't think of a more knowledgable group of people to ask. The director of our botanical gardens and I had a discussion today about flowering vines. He had a jasmine vine for years that produced vegetative growth beautifully, but did not flower. It did flower when he finally placed the vine in a vertical position (it was previously rambling along the bench). His theory is that certain vines may not flower when in a horizontal position because it would not be advantageous to flower rambling on the ground where a pollinator may not see the bloom. The second part of the theory says that it would make sense for the plant to put its energy into growing quickly so as to reach the next tree/support to climb. He has also observed this habit in some honeysuckles. Might the plant be reacting to an imbalance of auxins in the stem-- i.e. with the auxin concentrated on one side of the stem? I have tried searching Google, but trying to find the keywords to type in has been unsuccessful. Any thoughts are greatly appreciated as well as directions towards any research that I could read.
Thanks a bunch- Terri
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