[Trilliums and Wake-robins: The Genus Trillium West of the Cascade Mountains of Oregon and Washington]

Giant Trillium, Great Trillium, Sessile Trillium

Trillium albidum ssp. albidum

Synonym: Trillium chloropetalum

Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonym: Trillium parviflorum in Washington, Trillium chloropetalum)

A close-up of sessile trillium as seen at the Beekman House Gardens in Jacksonville, OR........April 6, 2009. Note that the flower of this species is, as the name implies, sessile. There is no pedicel between the base of the leaves and the base of the flower.

Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonym: Trillium parviflorum in Washington, Trillium chloropetalum)

Sessile trillium as seen at the Beekman House Gardens in Jacksonville, OR........April 6, 2009.

Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonyms: Trillium chloropetalum, Trillium parviflorum) - Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonyms: Trillium chloropetalum, Trillium parviflorum)

Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonyms: Trillium chloropetalum, Trillium parviflorum) - Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonyms: Trillium chloropetalum, Trillium parviflorum)

Examples of great trillium as seen at milepost 14.5 along US Highway 199 south of Grants Pass, Oregon........April 29, 2012.

Close-up of the flower and leaf of Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonyms: Trillium chloropetalum, Trillium parviflorum) - Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonyms: Trillium chloropetalum, Trillium parviflorum) - Giant Trillium, Great Trillium, Sessile Trillium: Trillium albidum (Synonyms: Trillium chloropetalum, Trillium parviflorum)

Examples of great trillium (the former Trillium chloropetalum) from the webmaster's woodland garden in Gresham, Oregon. This species does occur locally along the Springwater Trail near Powell Butte. Photographed March 22, 2012.
Paul Slichter