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Georeference Points from GBIF
Morphology
| Scapes | 20-50 cm, terete. |
| Leaves | sessile to shortly petiolate. |
| Blades | 7-12 cm long x 5-20 cm wide. |
| Flower | pedicellate. |
| Sepals | 15-50 mm long x 6-20 mmm wide. |
| Petals | 15-70 mm long x 10-40 mm wide, white or white with pink or bluish markings,or pink. |
| Anthers | 4-16 mm long, yellow, with latrorse dehiscence. |
| Ovary | 5-12 mm long, hexagonal. |
| Stigmas | 6-10 mm long, scarcely connate at the base. |
Anthesis
Flowering from late February to July.
Distribution
Canada: Alberta and British Columbia.
United States: California, Colorado, Idaho, Montana, Oregon, Washington, and Wyoming.
Reference(s)
Based on F.W. Case, Jr. Trillium in Flora of North America, volume 26. 2002. Oxford University Press.
A full treatment is available for Trillium at www.eFloras.org
Fact Sheet Developed By
Pedro Oñativia Lake © 2007
  Trillium ovatum | USDA Forest Service | Photo by Larry Stritch |  Trillium ovatum | © California Academy of Sciences | Photo by Beatrice F. Howitt |  Distribution Map | |