Ginger is tuberous. They multiply pretty much like a flower bulb does, that is, the tuber grows so big and sets off a shoot for a new plant and so on.
vegetative propogation
Ginger
Yes it is
# Chinese wild ginger: Asarum splendens# Virginia wild ginger; Southern wild ginger; heartleaf ginger: Asarum virginicum # White ginger: Hedychium coronarium # Wild ginger: Asarum canadense # Canadian wild ginger: Asarum canadense It would truly depend on the type of ginger you have. This isn't specific enough to tell which one you need.
stem cutting
As far as I know... Yes.
dahlias reproduce by using tubers
Gingers, reproduce through their rhizomes.
It depends. If the wild ginger your talking about is a spice, then yes. The spice ginger comes from a flower. But not red ginger also known as ginger flower or alpinia purpurata. Hmmm...well if you are talking about spice ginger, then it is a flowering plant. The ginger comes from the tuber which it grows underground. The ginger you see in the supermarket is called Jamaican ginger. The problem here is the word flower. a flower is only part of a plant but in common usage has become the word for flowering plant. In answer to the question I think, wild ginger is a plant that has flowers.
They both reproduce asexually
The Iris plant and the ginger plant
Ginger is a root. Sugar Cane is a grass that grows from 'corms'.