[Overview]
An annual or perennial.
Perennials have bulbs, tuberous roots, rhizomes or the like underground, and sometimes become shrubs.
The leaves are palmate or consist of 3 to many leaflets.
The leaflets close and droop at night or at low temperatures.
The flowers are 5-petaled, borne in cymes or umbels, and open in fine weather and close when the light weakens.
[Cultivation]
Propagate by dividing bulbs, but depending on the type, seed and stem cuttings are also possible.
The time for repotting differs depending on the line.
A warm place with sun and good drainage is suitable.
For potted plants, water thoroughly when the soil surface dries; for plants in the ground, rainfall is sufficient.
It tolerates dryness.
For types that go dormant, keep them on the dry side during dormancy.
Fertilizer is not particularly necessary.
There are no particular pests or diseases.