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.
Similar changes occur in Plantago major, P. lanceolata, Ajuga reptans, dandelion, daisy, dahlia and in umbelliferous plants.
- 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.