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Webster 1913 Edition

Adj.

[L.

rutaceous

, from

ruta

rue. See

the plant.]

(Bot.)

Of or pertaining to plants of a natural order (

Rutaceae

) of which the rue is the type, and which includes also the orange, lemon, dittany, and buchu.

rutaceous ‎(not comparable)

(botany) Of or relating to plants of the family Rutaceae, of which the rue is the type, and which includes also the orange, lemon, dittany, and buchu.