Paeonia albiflora.

Botanical name: 

Paeonia albiflora Pall. Ranunculaceae. Paeony.

Northern Asia. This species is to be seen in ornamental gardens. The roots are used as food in Mongolia, being boiled and eaten by the Tartars, who also powder the seeds to mix with their tea.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.