5. Drupe (pyrenocarp) A fleshy indehiscent fruit containing one or more seeds each surrounded by a hard stony wall, the endocarp.

• 核果（子囊壳）：是一种肉质闭果，其内包含一枚或多枚种子，并且每粒种子包被着坚硬的壁，即内果皮。收藏指正