Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Painted Trillium
Trillium undulatum
Family: Liliaceae

Protection Status:
State Status:  T
USFWS Status: {null}

Global Rank: G5
State Rank: S2

Mesic ravine forests, upper elevaton mesic hemlock forests, seeps in mesic forests and an oak-chesnut forest.

Species Description:
Perennial herb.

Flowering Period: Early May to late June.

Additional Information at NatureServe

Diagnostic Characteristics:
Painted trillium can be distinguished by having flowers peduncled (elevated on a stem) 1-5 cm long, and the flowers are white with a "streaky" purple crescent or marking. The petals are undulate and acute to acuminate. The leaves are acuminate at the tip with a rounded base, the petiole 5-10 mm.

Extensive tree removal would very likely be detrimental because of resulting changes in soil moisture level on these forested slopes. Roads, heavily used trails or other disturbance could increase weed/ pest invasion and erosion.

Global Range:

Known Kentucky Occurrences:

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Data last updated: Wednesday, May 28, 2014
Kentucky State Nature Preserves Commission
801 Teton Trail
Frankfort,KY 40601
Phone: (502) 573-2886
Fax: (502) 573-2355
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