Trillium albidum
| Trillium albidum | |
|---|---|
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| Mendocino County, California | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Liliales |
| Family: | Melanthiaceae |
| Genus: | Trillium |
| Species: | T. albidum
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| Binomial name | |
| Trillium albidum J. D. Freeman, 1975
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| Synonyms[1] | |
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Trillium albidum, known by the common names giant white wakerobin,[2] white toadshade, and sweet trillium, is a species of flowering plant endemic to the western United States, native from northern California through Oregon to Washington.
It occurs in forests, woodlands, scrub, and chaparral habitat, becoming common in some areas.[3][4][5]
Description
Trillium albidum is a rhizomatous perennial herb with one or more erect stems growing 20 to 70 centimetres (7.9 to 27.6 in) ers in height. There is a whorl of three large leaves generally described as bracts,[3] each measuring up to 20 centimeters in length. They are green and mottled with brownish or darker green spots.
Each stem produces one flower, which is held on top of the bracts. The fragrant flower has three lance-shaped green sepals and three wider white or pink- or purple-tinged petals measuring up to 11 centimetres (4.3 in) long.
Varieties
Named varieties include:[1]
- Trillium albidum subsp. albidum — north west-central California, + southwestern Oregon
- Trillium albidum subsp. parviflorum (V.G.Soukup) K.L.Chambers & S.C.Meyers — Washington, northwestern Oregon
References
- ^ a b Kew World Checklist of Selected Plant Families
- ^ USDA, NRCS (n.d.). "Trillium albidum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 December 2015.
- ^ a b Flora of North America Vol. 26: Pages 94, 106, 107, 113.
- ^ Biota of North America Program 2013 county distribution map
- ^ Calflora taxon report, University of California, Trillium albidum Freeman giant white wakerobin
External links
- Calflora Database: Trillium albidum (Giant white wakerobin)
- Jepson Manual eFlora (TJM2) treatment of Trillium albidum
- Biodiversity Information Serving Our Nation (BISON): occurrence data and maps for Trillium albidum
- Trillium albidum in the CalPhotos photo database, University of California, Berkeley
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