Placenta laminar

  • Title

    Placenta laminar

  • Definition

    A placentation type in which the ovules are attached to laminae that run vertically through much of the ovary as seen in medial longitudinal section.

  • Notes

    There are two laminae (septal unit head extensions) in each locule which are best seen in a cross section of the ovary.This type of placentation is found in Lecythidaceae only in species of Couroupita and the Lecythis pisonis clade.

  • Related Terms

    Placenta (pl. = placentae)

    Placenta incipient

    Placenta flabellate

    Placenta columnar

    Placenta arched

    Placenta oblique

  • *For more educational content, please visit The Hand Lens and explore our herbarium collections and the stories they tell.