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Bransford, W.D. and Dolphia

Trillium petiolatum

Trillium petiolatum Pursh

Idaho Trillium, Idaho Wake-robin, Roundleaf Trillium, Roundleaf Wake-robin

Liliaceae (Lily Family)

Synonym(s):

USDA Symbol: TRPE3

USDA Native Status: L48 (N)

Trillium petiolatum, from eastern Washington and Oregon, bears its leaves on long stalks and features flowers with dark red-brown petals.

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Fruit Type: Berry
Size Notes: Scape up to about 6 inches tall.

Bloom Information

Bloom Color: Red , Yellow , Green
Bloom Time: Apr , May , Jun
Bloom Notes: Maroon-red, purple, or greenish to yellowish.

Distribution

USA: ID , OR , WA

Mr. Smarty Plants says

Pictures and sources for black trilliums
June 10, 2008
Do you have pictures and/or sources for Black Trilliums?
view the full question and answer

Web Reference

Webref 62 - Burke Herbarium Image Collection (2020) University of Washington
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

From the Archive

Wildflower Newsletter 1987 VOL. 4, NO.1 - One Million Bequest Announced, Lady Bird Johnson On Celebrating Four Years, Spri...

Additional resources

USDA: Find Trillium petiolatum in USDA Plants
FNA: Find Trillium petiolatum in the Flora of North America (if available)
Google: Search Google for Trillium petiolatum

Metadata

Record Modified: 2023-04-12
Research By: TWC Staff

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