SILIQUE
silique, siliqua
(noun) narrow elongated seed capsule peculiar to the family Cruciferae
Source: WordNet® 3.1
Etymology
Noun
silique (plural siliques)
(botany) A long dry fruit (seed capsule), length more than twice the width, typical to cruciferous plants and consisting of two fused carpels that separate when ripe.
Usage notes
A short silique-like fruit is called silicle, silicula or silicule.
Source: Wiktionary
Sil"ique, n. Etym: [L. siliqua a pod or husk, a very small weight or
measure: cf. F. silique.] (Bot.)
Definition: An oblong or elongated seed vessel, consisting of two valves
with a dissepiment between, and opening by sutures at either margin.
The seeds are attached to both edges of the dissepiment, alternately
upon each side of it.
Source: Webster’s Unabridged Dictionary 1913 Edition