# Irregular flower

**Source**: https://eflora.sydney.edu.au/glossary/irregular-flower
**Parent**: https://eflora.sydney.edu.au/glossary/

a [flower](https://eflora.sydney.edu.au/glossary/flower "the sexual reproductive structure of the Magnoliopsida (Angiosperms) usually consisting of gynoecium, androecium, and perianth.") which has one or more of its [perianth](https://eflora.sydney.edu.au/glossary/perianth "the calyx and corolla collectively, especially when they are morphologically similar.") segments very dissimilar in shape from the others of the [whorl](https://eflora.sydney.edu.au/glossary/whorl "a group of three or more appendages arising from the axis at the same level."); a bilaterally symmetrical [flower](https://eflora.sydney.edu.au/glossary/flower "the sexual reproductive structure of the Magnoliopsida (Angiosperms) usually consisting of gynoecium, androecium, and perianth.").

## Related terms

- [Perianth](https://eflora.sydney.edu.au/glossary/perianth)

- [Irregular flower](https://eflora.sydney.edu.au/glossary/image/irregular_flower "Irregular flower.")