Page author: Don Knoke
Rudbeckia laciniata
green-headed coneflower, tall coneflower
WTU specimens
Other herbaria

Distribution: Montana and southern Idaho, east to Quebec, then south to Florida.

Habitat: Streambanks and other moist places.

Flowers: July - September

Origin: Introduced from farther east in United States

Conservation Status: Not of concern

Description:
General:

Perennial from a coarse, woody base, the stems up to 2 m. tall, glabrous and often glaucous.

Leaves:

Leaves alternate, large, petiolate, usually pinnatifid with broad segments.

Flowers:

Heads large, the yellow or grayish disk 1-2 cm. wide; rays 6-16, drooping, yellow, 3-6 cm. long; disk flowers numerous, fertile; receptacle hemispheric, chaffy throughout, its bracts blunt, gray-tipped; pappus a short crown.

Fruits:

Achene

Accepted Name:
Rudbeckia laciniata L.
Publication: Sp. Pl. 2: 906. 1753.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. ampla – green-headed coneflower, tall coneflower
Additional Resources:

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

WA Flora Checklist: Rudbeckia laciniata checklist entry.

E-Flora BC: Rudbeckia laciniata atlas page.

CalPhotos: Rudbeckia laciniata photos.

USDA Plants: Rudbeckia laciniata information.

3 photographs:
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