Dehisce

dehisce \di-ˈhis\ intransitive verb: 1. to split along a natural line, 2. to discharge contents by so splitting {seedpods dehiscing at maturity}

Etymology: Latin dehiscere to split open, from de- + hiscere to gape

Yesterday drupe was described as indehiscent, meaning it remains closed at maturity. There was also a lot of ‘carping going on in yesterday’s post. The endocarp, mesocarp and exocarp are, respectively, the inner, middle and outer layers of a fruit. In sum they make up the pericarp.