Page author: David Giblin
Brickellia grandiflora
tasselflower brickellbush, large flowered tasselflower, large flowered thoroughwort

Distribution: Occasional east of the Cascades in Washington and Oregon.

Habitat: Openings in woods at moderate elevations, sometimes in plains.

Flowers: July-October

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, beetles, wasps


Perennial herb from long, thickened roots, usually with many stems from near the base, 2.5-7 dm. tall.


Leaves mostly alternate, with petioles 0.3-7 cm. long, the blades deltoid-ovate, sub-cordate, toothed, 2-11 cm. long and 1-6 cm. wide.


Heads discoid, cylindric, several to many in a sub-umbelliform inflorescence; involucre 7-12 mm. high, imbricate, striate, the outer bracts tipped with a slender appendage; corollas white, 10-40 in each head; filaments exerted, yellow; pappus of barbellate bristles.


Achene 10-ribbed.

Accepted Name:
Brickellia grandiflora (Hook.) Nutt.
Publication: Trans. Amer. Philos. Soc., n. s. 7: 287. 1840. 1840.

Synonyms & Misapplications:
Brickellia grandiflorum Hook.
Additional Resources:

PNW Herbaria: Specimen records of Brickellia grandiflora in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Brickellia grandiflora checklist entry.

OregonFlora: Brickellia grandiflora information.

E-Flora BC: Brickellia grandiflora atlas page.

CalPhotos: Brickellia grandiflora photos.

USDA Plants: Brickellia grandiflora information.

16 photographs:
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