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Originally Posted by Roberta
Same is true of Paphs. I don't think anyone knows why slipper orchids don't lend themselves to cloning, but they don't. ES, I like your spelling of divi$ion . For sure...
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As far as I know it has to do with the difficulty of sterilizing explants.
Contrary to most orchids, their meristems aren't protected with any kind of sheath/scale/protective layer, and sterilisation isn't effective, or kills the cells in the process.
They're also very slow to develop and recalcitrant to common tissue culture media and techniques, so they were somehow left behind.