Definition of Rudbeckia hirta
1. Noun. The state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange rays.
Group relationships: Genus Rudbeckia, Rudbeckia
Generic synonyms: Coneflower
Rudbeckia Hirta Pictures
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Lexicographical Neighbors of Rudbeckia Hirta
Literary usage of Rudbeckia hirta
Below you will find example usage of this term as found in modern and/or classical literature:
1. Contributions from the Botanical Laboratory of the University of Pennsylvaniaby University of Pennsylvania, Botanical Laboratory by University of Pennsylvania, Botanical Laboratory (1897)
"A Monstrous Specimen of rudbeckia hirta, L. By JT ROTHROCK, BS, MD 2. Contributions to the History of Dionaea Muscipula, Ellis. ByJ. ..."
2. The Proceedings of the Iowa Academy of Science by Iowa Academy of Science (1907)
"rudbeckia hirta and R. triloba are interesting when brought together in a study of this nature, because they are so closely related. ..."
3. The Proceedings of the Iowa Academy of Science by Iowa Academy of Science (1907)
"There also seems to be a tendency for the number of rays per id, of Rudbeckia hirta, to decrease, because the slope of the per side of the frequency curve ..."
4. The Vascular Flora of Pennsylvania: Annotated Checklist and Atlas by Ann Fowler Rhoads, William M. Klein (1993)
"Rudbeckia speciosa Wenderoth PFW rudbeckia hirta L. var. hirta Black-eyed-Susan Herbaceous biennial Fields, meadows and roadsides. rudbeckia hirta L. ..."
5. An Illustrated Flora of the Northern United States, Canada and the British by Nathaniel Lord Britton, Addison Brown (1913)
"On prairies and along rivers, Illinois to Louisiana, Kansas and Texas. July-Sept. 3. rudbeckia hirta L. 2 Yellow Daisy. Black Eyed Susan. ..."