monocarp
/ˈmɒnə(ʊ)kɑːp/Botany
noun
1A monocarpic plant. rare before late 20th cent.
2In many trees of the family Annonaceae: each of the separate carpels (often arranged in bundles) which form the fruit. Opposed to syncarp.
Origin
Mid 19th century; earliest use found in Benjamin Smart (d. 1872), elocutionist and grammarian. From mono- + -carp, perhaps after monocarpous.