the part of the ovary, sometimes but not always, thickened or raised, to which the ovules are attached.
Copyright: Mark Hyde, Bart Wursten and Petra Ballings, 2002-13
Hyde, M.A., Wursten, B.T. & Ballings, P.
. Flora of Zimbabwe: Glossary details: placenta.
http://www.zimbabweflora.co.zw/speciesdata/glossary-display.php?glossary_id=553, retrieved 25 May 2013