Rudbeckia hirta
WTU specimens
Other herbaria

Distribution: Found in most of the United States, but native in the central states and introduced in the Pacific Northwest.

Habitat: Open meadows and disturbed places.

Flowers: June - August

Origin: Introduced from farther east in United States

Conservation Status: Not of concern

Description:
General:

Biennial or short-lived perennial, 3-10 dm. tall, rough-hairy throughout.

Leaves:

Lower leaves oblanceolate to elliptic, long-petiolate, the others lance-linear to oblong, mostly sessile.

Flowers:

Heads long-pedunculate, the disk hemispheric, 1-2 cm. wide, dark purple or brown; involucral bracts in 2-3 series, becoming reflexed; rays 8-20, orange, neutral, 2-4 cm. long; receptacle enlarged, conic, chaffy throughout, its bracts acute and short-hairy, clasping the achenes; pappus none.

Fruits:

Heads long-pedunculate, the disk hemispheric, 1-2 cm. wide, dark purple or brown; involucral bracts in 2-3 series, becoming reflexed; rays 8-20, orange, neutral, 2-4 cm. long; receptacle enlarged, conic, chaffy throughout, its bracts acute and short-hairy, clasping the achenes; pappus none.

Accepted Name:
Rudbeckia hirta L.
Publication: Sp. Pl. 2: 907. 1753.

Synonyms & Misapplications:
(none provided)
Infraspecies:
Additional Resources:

PNW Herbaria: Specimen records of Rudbeckia hirta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Rudbeckia hirta checklist entry.

E-Flora BC: Rudbeckia hirta atlas page.

CalPhotos: Rudbeckia hirta photos.

USDA Plants: Rudbeckia hirta information.

15 photographs:
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