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Term Definition
Placentation In broadest terms, the arrangement of ovules within the ovary. The most basic type of placentation classifies species as having parietal, axile, or free-central placentation. Placentation of Couroupita guianensis. Photo by C. M. Potascheff
Placentation bilamellar A type of placentation that runs the length of the locule with two rows of ovules attached to two lamellae. Placentation of Couroupita subsessilis. Photo by S. A. Mori.