Page author: David Giblin
Trillium albidum
giant trillium, sessile trillium
WTU specimens
Other herbaria
WTU images

Distribution: Occurring west of the Cascades crest in Washington; Washington to California.

Habitat: Moist forests, oak-ash woodlands, thickets, and fields at low elevations.

Flowers: April-June

Origin: Native

Conservation Status: Sensitive in Washington (WANHP)


[none provided]

Accepted Name:
Trillium albidum J.D. Freeman
Publication: Brittonia. 27: 48, fig. 11. 1975.

Synonyms & Misapplications:
Trillium chloropetalum (Torr.) Howell, misapplied [FNA26, HC]
Trillium chloropetalum (Torr.) Howell var. chloropetalum, misapplied [FNA26]
ssp. parviflorum – small-flowered trillium    Occurring west of the Cascades crest in Washington; lowland western Washington to Willamette Valley, Oregon.
Additional Resources:

PNW Herbaria: Specimen records of Trillium albidum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Trillium albidum checklist entry.

E-Flora BC: Trillium albidum atlas page.

CalPhotos: Trillium albidum photos.

USDA Plants: Trillium albidum information.

46 photographs:
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