The leaves of many clovers do have "sleep movements" in which the
leaflets fold downwards along the stalk at night.
Edwin Hutton wrote:
>> JANVIER TRACY wrote:
> > Does anyone know of the plant name, in which it is open a majority of
> > the day and closes at night. It looks like a clover, I think it is part
> > of that family
>> Quite a lot of the Compositae family (daisy-like or dandelion-like)
> do this. They all have a lot of florets sticking up out of a
> sort of sheath called the involucre, which is able to operate the
> opening/closing process. I cannot see a clover-like
> flower (family Leguminosae) being able to do this as the florets
> are all on tiny stalks with no surrounding structure to operate
> the closing mechanism.
>> Does anyone else know any better?
>> Edwin Hutton