Nucellus

Creator(s): C.-H. Tsou

Description: A comparison of tenuinucellate and crassinucellate ovules. For more information about the presence of tenuinucellate ovules in Lecythidaceae see Tsou (1994).

Rights: Rights reside with creator, otherwise property of NYBG.

  • Title

    Nucellus

  • Definition

    The tissue that surrounds the megasporophyte or the embryo sac. It is located between the embryo sac and the integument or integuments.

  • Notes

    In neotropical Lecythidaceae, the nucellus appears to be absent or very poorly developed and, thus, classified as tenuinucellate.

  • Related Terms

    Ovules tenuinucellate

    Crassinucellate ovules

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