This corolla occurs in many composite plants, as in the florets of dandelion, daisy and chicory.
Contracted or shortened form(Capitulum), Daisy,Dandelion, Scabious.
2, i), as in marigold, dandelion, daisy, artichoke.
- Anatropous ovule of Dandelion (Taraxacum), nucellus, which is inverted, so that the chalaza ch, is removed from the base or hilum h, while the micropyle f is near the base.
In the American button-bush the heads are globular, in some species of teazel elliptical, while in scabious and in composite plants, as sunflower, dandelion, thistle, centaury and marigold, they are somewhat hemispherical, with a flattened, slightly hollowed, or convex disk.