Root-bound or pot-bound
I think it's polymer... Because "poly" means many and "mer" means units. Yeah, I'm pretty sure it's polymer.
It's either tubers or rhizomes. Tubers have starch filled roots, like potatoes, which I guess you can call tube shaped. Or you mean rhizomes, tubular roots that result in another, cloned, plant. Like the raspberry bush in my garden that has sent out roots to grow another plant right in the middle of our lawn...
You call them principal square roots.
Some countries call the leaves 'cilantro' and the roots and seeds 'coriander'. Other countries simply call the entire plant coriander but refer to the specific part of the plant i.e. coriander leaf, coriander root and coriander seeds
sandwich
The kind of growth that involves roots and shoots but not reproductive structures is called vegetative reproduction. Some biologists call it asexual reproduction.
in Florida we call it dwarf papyrus. it is a vigorous plant here and you will notice the roots march onward. you can root prune the plant and share it with your friends and nieghbors with wiki goodness.
Typically, painting is done on a "canvas" which is not only tightly woven but tightly stretched on a wooden frame and securely tacked in place.
They are usually referring to their breasts.
tubers
they are call i can't get my answers!
french braid