dissilient
Forcefully breaking apart or bursting open (or primed to do so); dehiscing explosively.
archaic
a dissilient pericarp/joint
Where it comes from
From Latin dissiliens, dissilientis, present participle of dissilire (“to leap asunder”): dis- + salire (“to leap”).
Adapted from the Wiktionary entry dissilient (CC BY-SA 4.0).