KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Rock Harlequin
Corydalis sempervirens
Family: Fumariaceae

Protection Status:
State Status:  S
USFWS Status: 

Global Rank: G4G5
State Rank: S3?

   

Photo by Dennis D. Horn @ TENN
Habitat:
Dry rocky woods, and usually associated with rock outcrops, on ridge summits.

Species Description:
Biennial herb

Phenology:
Flowering Period: Mid May to mid August.
Fruiting Period: Mid June to late August.

Additional Information at NatureServe

Diagnostic Characteristics:
Corydalis sempervirens differs from the common woodland species in having pinkflower with yellow tips and in being associated with rock outcrops on or near ridge summits.

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. Avoid creating access to the site through trail or road construction.

Global Range:
AK, B.C., and nw. MT, east to Newf. and GA. Peripheral.

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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