Dehiscent (splitting open to release the seed), for example members of the genus Geranium. This is similar to what happens with a capsule, but with an extra stage. (In Abutilon, the mericarp is sometimes only partially dehiscent and does not release the seed.)
A dry fruit which splits at maturity into three single-seeded units , each about 2 mm in length , consisting of a seed within a carpel . A dry fruit that at maturity splits into two or more one-seeded parts , as in the carrot or mallow .