indehiscent
in·de·his·cent
adjective
1.
(of e.g. fruits) not opening spontaneously at maturity to release seeds
Origin
From in- + dehiscent.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.