What is adnate to the surface of the ovary, so as to be apparently inserted upon the top of it; -- said of stamens, petals, sepals, and also of the disk called?

epigynous — Adnate to the surface of the ovary, so as to be apparently inserted upon the top of it; -- said of stamens, petals, sepals, and also of the disk. (Webster's 1913.)

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