medical Definition of eriodictyon
1 a
capitalized
:a small genus of resinous shrubs (family Hydrophyllaceae) of southwestern North America having finely reticulated leaves often woolly beneath and white or bluish flowers
b
:any plant of the genus Eriodictyon
2
:the dried leaves of yerba santa (Eriodictyon californicum) used as a flavoring in medicine especially to disguise the taste of quinine
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