karrol - it is certainly interesting in the way they can potentially generate new plants in that way.
It appears that they can do it, which then suggests that the components (cells, structure etc) of the flower spike is able to become part of a vegetative propagation system when provided with adequate humidity - and possibly (or even likely) a source of water through capillary action.
Photosynthesis involving light and CO2 etc - is the food/sugars generation part of it.
One drawback of this cutted flower spike method is - that it is detached from the plant.
So a method that involves keiki paste, which is pretty much readily available these days (or can certainly be acquired) is probably a better option. In that way - the spike at least stays connected to the plant, and gets its water/nutrient supply reliably.
Interestingly - it appears that the reason for increased chances of keiki development from uncut stems - is a system response. Just like how blocked/stuffy noses 'magically' (automatically) can become unblocked if we hold our breathe a long enough time. Only referring to a system response ----- such as if some quantities in the system go down (or up etc) ------- then the cells could start doing something ----- as a response ---- or some process starts up. In this case ------ a regenerative response or process occurs.
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