[Overview]
Mostly perennials, though some are annuals.
The leaves include basal leaves and stem leaves.
The stem leaves are alternate, simple or pinnately divided.
Flower heads are borne facing upward at the stem tips.
The ray flowers are yellow or brown at the base.
The tubular flowers are green, brown, reddish purple, and so on.
The fruit is an achene.
[Cultivation]
Propagate from seed or by division.
It prefers a sunny, well-drained, fertile soil.
If the environment suits it, it grows well even when left alone.
For potted plants, water thoroughly when the soil surface dries; for plants in the ground, rainfall is sufficient.
For potted plants, apply slow-release fertilizer from spring to autumn; for plants in the ground, no fertilizer is particularly needed if base fertilizer is applied.
There are no particular pests or diseases.