Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Rock Harlequin
Corydalis sempervirens
Family: Fumariaceae

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

Global Rank: G5
State Rank: S3?

Dry rocky woods, and usually associated with rock outcrops, on ridge summits.

Species Description:
Biennial herb.

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

Additional Information at NatureServe

Diagnostic Characteristics:
Recent studies have place this species in a new monotypic genus Capnoides (FNA, 1997) . It is distinct from Corydalis , and it is closer in relationship to Adlumia and Dicentra . This plant has pink flowers with yellow tips, the stems are erect, 3-8 dm tall; the capsules are erect and 25-35 mm long.

Soil disturbance associated with trails, timber removal or other activity that results in increased erosion and weed/pest plant invasion will be detrimental. Exotic pest plants are a threat to this species.

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

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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