Blooms: June - August
Habit: herb
Duration: annual
Origin: Introduced from farther east in US.
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.
Habit: herb
Duration: annual
Origin: Introduced from farther east in US.
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.
Species 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.
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.
Subspecies & Varieties:
Ours is var. pulcherrima
Accepted Name:
Rudbeckia hirta L.Synonyms:
(none)
Treated in Flora of the PNW as:
Rudbeckia hirta
Additional Resources:
PNW Herbaria Specimens: View list of Rudbeckia hirta specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Rudbeckia hirta specimens in the WTU Herbarium database.
Washington Flora Checklist: Rudbeckia hirta treatment.
E-Flora BC: Rudbeckia hirta atlas page.
CalPhotos: Rudbeckia hirta images.
USDA Plants Database: Rudbeckia hirta.
J. William Thompson
J. William Thompson
J. William Thompson
J. William Thompson
J. William Thompson
Craig Althen, 2012
Craig Althen, 2012
Ben Legler, 2007
Ben Legler, 2007
Ben Legler, 2007
Ben Legler, 2007
Ben Legler, 2007
Ben Legler, 2007
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 WA Native Plant Society |
