Plants have several methods for
expanding and moving around. One way plants is expand is by
extending stems out sideways from the plant. These take root and
start a new plant at that point.
Rhizomes are modified stem tissue
which moves out from the plant underground.
around quickly by rhizomes. Some species and cultivars of hostas
multiply by rhizomes and are, therefore, properly known as
Many people mistakenly call these
hostas stoloniferous. A stolon is a modified stem that moves
above the ground. Examples would be
Lamium sp. and several
other common groundcovers.
Note: I did a Google search on stoloniferous plants and it showed many, many incorrect listings
that confused stoloniferous with rhizomatous. There was
even reference to something called a "stoloniferous rhizome". As
I recall, I was always taught that it was either one or the
other but I can't figure out a way that a plant part can be both
above and below the ground at the same time. Oh, well. - Mr PGC