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In an epigynous flower, the stamens, petals, and sepals are attached to the hypanthium at the top of the ovary or, occasionally, the hypanthium may extend beyond the top of the ovary. Epigynous flowers are often referred to as having an inferior ovary. Plant families with epigynous flowers include orchids, asters, and evening primroses.
An inferior ovary lies below the attachment of other floral parts. A pome is a type of fleshy fruit that is often cited as an example, but close inspection of some pomes (such as Pyracantha) will show that it is really a half-inferior ovary. Flowers with inferior ovaries are termed epigynous.
The flower is bisexual, it contains 5 stamens, the pistil is fused of five carpels, and the ovary is inferior. A floral formula is a notation for representing the structure of particular types of flowers .
The position of the ovary varies by subfamily. The subfamilies Agapanthoideae and Allioideae have superior ovaries, while the Amaryllidoideae have inferior ovaries. The six stamens are arranged in two whorls of three, occasionally more as in Gethyllis (Amaryllidoideae, 9–18).
See this list of flower meanings with pictures to learn the symbolism and history behind some of your favorite blooms, including roses, irises and lilies.
5 – inferior ovary: fused ovary consisting of two carpels, containing one abaxial ovule (basal placentation). A ray flower is a two- or three-lobed, strap-shaped, individual flower, found in the head of most members of the Asteraceae.
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Ovary is superior, placentation is free central and the ovules are atropous. A floral diagram is a graphic representation of the structure of a flower . It shows the number of floral organs, their arrangement and fusion.