File:Asteraceae Flower Parts Disk Floret.svg
1 – two stigma lobes, shown separated (if fused, the stigma would appear as an extension of the style);
2 – style;
3 – five anthers fused to form a tube which surrounds the stamen; not viewable on the inside of the tube are the stamen which produces pollen and the filaments which are fused to the corolla;
4 – corolla with 5 lobes;
5 – reduced calyx (after seed maturity, this forms the pappi);
6 – ovary containing one ovule.- File:Leucanthemum diagram.svg: Nefronus
- derivative work: Eewilson