RUDBECKIA

Rudbeckia, genus Rudbeckia

(noun) North American perennial herbs with showy cone-shaped flower heads

Source: WordNet® 3.1

Etymology

From the genus name.

Noun

rudbeckia (plural rudbeckias)

Any member of the genus Rudbeckia of coneflowers.

Source: Wiktionary

Rud*beck"i*a, n. [NL. So named after Olaf Rudebeck, a Swedish botanist.] (Bot.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition