In article . com,
Dave Poole writes:

Most interesting.

| Some plants develop adventitious roots (roots along the stems or at
| the leaf nodes) and the 'root buds' for these are already present.

I suspect that a few plants have stem cells (that is cells that are
part of the stem) with the potential to form root buds at any point.
My guess is that several aquatic plants are like that, because some
don't seem to have a clear distinction between roots and stems.

But that is pure guesswork.


Regards,
Nick Maclaren.