KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Yellow Troutlily
Erythronium rostratum
Family: Liliaceae

Protection Status:
State Status:  S
USFWS Status: 

Global Rank: G5
State Rank: S2S3

   

Photo by Dennis D. Horn @ TENN
Habitat:
Mesic ravine forests.

Species Description:
Perennial herb.

Phenology:
Flowering Period: Mid March to late May.

Additional Information at NatureServe

Diagnostic Characteristics:
The flowers for Erythronium rostratum are yellow and effect, not nodding. The perianth is often red or brown spotted above (on "up"side of tepals, the inner tepals with auricles small or lacking; fruit lacking distinct beak.

Management:
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:
Species occurrence map

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Data Last Updated: November 2018
Office of Kentucky Nature Preserves
300 Sower Blvd
Frankfort,KY 40601
Phone: (502) 573-2886
Email:
naturepreserves@ky.gov
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