資料來源 : Webster's Revised Unabridged Dictionary (1913)
Bitterroot \Bit"ter*root`\, n. (Bot.)
A plant ({Lewisia rediviva}) allied to the purslane, but with
fleshy, farinaceous roots, growing in the mountains of Idaho,
Montana, etc. It gives the name to the Bitter Root mountains
and river. The Indians call both the plant and the river
Sp[ae]t'lum.
資料來源 : WordNet®
Lewisia rediviva
n : showy succulent ground-hugging plant of Rocky Mountains
regions having deep to pale pink flowers and fleshy
farinaceous roots; the Montana state flower [syn: {bitterroot}]