The flowers of <i>nymphaea tuberosa</i> are pure white, four to nine inches across, and open for three or four days, from 8 A.M. to 1 P.M. It is native to the northern, central United States.

Nymphaea Tuberosa

The flowers of nymphaea tuberosa are pure white, four to nine inches across, and open for three or four…

Pictured is the rootstock of <i>nymphaea tuberosa</i>. The tubers on the rootstock are one to three inches long.

Rootstock of Nymphaea Tuberosa

Pictured is the rootstock of nymphaea tuberosa. The tubers on the rootstock are one to three inches…