Habit: Rhizome short, thick, spreading to erect.
Stem: erect, >=1 per rhizome.
Leaf: 3, in 1 whorl subtending flower, sessile or subsessile, +- ovate.
Inflorescence: flowers 1 per stem, erect to nodding, stalked or sessile.
Flower: bisexual; sepals 3, free, persistent, +- green; petals 3, free, withering, white, +- pink, +- yellow, or purple; stamens 6; ovary chambers 3, styles 3.
Fruit: capsule, +- berry-like.
Seed: many, ovoid.
Species In Genus: +- 30--40 species: North America, Asia.
Etymology: (Latin: 3, from leaves)
Note: Trillium rivale moved to
Pseudotrillium.
Jepson eFlora Author: Dale W. McNeal & Bryan D. Ness
Reference: Farmer 2006 Aliso 22:579--592; Freeman 1975 Brittonia 27:1--62
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)Key to Trillium
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