prairie-turnip

[43] _Tipsânna_ (often called _tipsinna_) is a wild prairie-turnip used for food by the Dakotas.

The Feast of the Virgins and Other Poems Hanford Lennox Gordon 1878

Lucien, seeing that there were several kinds of plants growing on the margin of the rivulet, went down to examine them -- in hopes that he might find the wild onion or the prairie-turnip among them, or perhaps some other root or vegetable that might help to enrich their pottage.

The Boy Hunters Mayne Reid 1850

The pinons afforded their farinaceous cones, the agave yielded its esculent roots, and the prairie-turnip grew upon the borders of the runlet.

The Boy Hunters Mayne Reid 1850