KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Rose Turtlehead
Chelone obliqua var. speciosa
Family: Scrophulariaceae

Protection Status:
State Status:  S
USFWS Status: 

Global Rank: G4T3
State Rank: S3

   

Photo by KSNPC Staff
Habitat:
Flooplain and alluvial forests, swamps and sloughs.

Species Description:
Perennial herb.

Phenology:
Flowering Period: Mid August to late October.

Additional Information at NatureServe

Diagnostic Characteristics:
This species of turtlehead is distinguished from the common species in having purple pink flowers. There are two varieties associated with this species and var speciosa has upper bracts obtuse rather than narrow and/or acuminate (long-pointed). THe sepals are srongly ciliolate hwereas the other variety has fewer cilia on the sepals. The two varieties are geographically separated and variety speciosa occurs in western Kentucky.

Management:
Avoid changes in moisture/hydrologic conditions at the site. Changes could result from overstory removal, stream/wetland alteration or impacts due to erosion. 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. Avoid creating access to the site through trail or road construction.


Global Range:
Current range includes northeastern and southeastern Missouri, southern Illinois and Indiana, and western Kentucky, plus a disjunct site(s) in Michigan. Historical occurrences in Minnesota, Iowa, and Arkansas.

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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