Tillering 
The active process of tiller production. Tillers may be classed as intravaginal where new growth occurs inside the sheath, or extravaginal where the new growth penetrates the sheath, typically producing a stolon or rhizome.
Tillering
The active process of tiller production. Tillers may be classed as intravaginal where new growth occurs inside the sheath, or extravaginal where the new growth penetrates the sheath, typically producing a stolon or rhizome.