When a ripe capsule splits into the cells, i.e. splits not at the lines of junction between the locules (i.e. septa) but along the midrib or dorsal suture (e.g. in many Liliaceae).
Dehiscent along the midrib of a carpel of an ovary containing more than one chamber and carpel.
Splitting through the middle of the dorsum of each cell.
A capsule that splits into independent locules.