How are flowers classified based on the presence or absence of pedicels?

Explanation

Based on the position of ovary, a flower can be classified as:
(a) Hypogynous: The term is used for sepals, petals and stamens attached at the base of a superior ovary, e.g. Malvaceae
(b) Epihypogynous: The term is used for sepals, petals and stamens attached at the middle of the ovary (half-inferior), e.g. Fabaccac and Rosaccac
(c) Epigynous: The term is used for sepals, petals and stamens attached at the tip of an inferior ovary, e.g. Cucumber, apple and Asteraceae
(d) Perigynous: The term is used for a hypanthium attached at the base of a superior ovary.
(e) Epiperigynous: The term is used for hypanthium attached at the apex of an inferior ovary.