Bible Dictionaries
Rudbeckia

Webster's Dictionary

(n.) A genus of composite plants, the coneflowers, consisting of perennial herbs with showy pedunculate heads, having a hemispherical involucre, sterile ray flowers, and a conical chaffy receptacle. There are about thirty species, exclusively North American. Rudbeckia hirta, the black-eyed Susan, is a common weed in meadows.

Bibliography Information
Webster, Noah. Entry for 'Rudbeckia'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​r/rudbeckia.html. 1828.