Answer: silique

AnswerCrossword Clue
SILIQUEMustard pod
siliquea narrow elongated 2-valved usually many-seeded capsule that is characteristic of the mustard family, opens by sutures at either margin, and has two parietal placentas
siliquethe long two-valved seed vessel or pod of plants belonging to the mustard family
siliquea type of seed vessel, also SILIQUA