dehiscent

adjective

de·​his·​cent di-ˈhi-sᵊnt 

: characterized by splitting open or bursting

a dehiscent wound

… dehiscent seed pods will burst open as they dry, scattering seeds far and wide …

—Leimone Waite

Word History

Etymology

borrowed from Latin dēhīscent-, dēhīscens, present participle of dēhīscere "to split open, yawn, gape" — more at dehisce

First Known Use

1649, in the meaning defined above