| Previous Fact Sheet | List of Trillium Fact Sheets | Next Fact Sheet |  |
Georeference Points from GBIF
Morphology
| Scapes | 22-58 cm long, terete. |
| Leaves | sessile. |
| Blades | 10-20 cm long x 12-15 cm wide, tip acute. |
| Flower | sessile. |
| Sepals | pale green, 3-6 cm long x 1.2-1.5 cm wide. |
| Petals | 4.8-8 cm long x 2.2 -3 cm wide, white, cream, rarely pinkish near the base, tips acute to obtuse. |
| Anthers | 11-20 mm long, yellow, with latrorse dehiscence. |
| Ovary | 6-11 mm long. |
| Stigmas | 4-7 mm long. |
| Fruit | green to purple-green. |
Anthesis
Flowering from mid March to late April.
Distribution
United States: California, Oregon, and Washington.
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
