Two different species of rosa were growing close to each other. They were seen to grow a single stem over a period of days. The stems from both plants entwined each other produced flowers. The flowers were next to each other and pollination occurred. One plant changed its external characteristics i.e leaf shape and colour.
I have not found any reference to this. What is this process called? I know its pollination that occurs, but what is the process in which the rose stems entwine and the whole rose takes on the characteristics of one species?
Many thanks if someone can answer this
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