Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Yellow Troutlily
Erythronium rostratum
Family: Liliaceae

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

Global Rank: G5
State Rank: S2S3

Mesic ravine forests.

Species Description:
Perennial herb.

Flowering Period: Mid March to late May.

Additional Information at NatureServe

Diagnostic Characteristics:
Yellow flowers are erect and the tepals (the "petals") do not have red or red/brown spots. The inner tepals have noticeable auricles at the base. The extended style (bearing the stigma) persists to form a long beak on the fruit.

Disturbance of surrounding areas such as ATV trails, timber removal or any activity that results in increased erosion and weed invasion will be detrimental. Exotic pest plants are a threat to this species and should be removed. Avoid creating access to the site through trail or road construction.

Global Range:
Arkansas, northern Lousiana, central Alabama, Kansas, Missouri, Mississippi, Oklahoma, Tennessee, Texas; disjunct in southern Ohio.

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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