KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Wedge-leaf Whitlow-grass
Draba cuneifolia
Family: Brassicaceae

Protection Status:
State Status:  E
USFWS Status: 

Global Rank: G5
State Rank: S1

   

Photo by Bart Jones @ TENN
Habitat:
Dry rocky or sandy soil, cedar glades incl. disturbed sites.

Species Description:
Annual or winter annual.

Phenology:
Flowering Period: Early February to late March.
Fruiting Period: Early March to late April.

Additional Information at NatureServe

Diagnostic Characteristics:
Annual plants with leaves on the stem but mostly basal, lateral stems leafless. Fruits are flat and unwinged, strigulose (hairs all pointing in same direction), 6-11 mm long and 1.5-2 mm wide, the apex blunt. Flowers are white and about 4 mm across.

Management:
Woody plant invasion may need to be controlled using periodic prescribed fire, mowing or other means. Timber removal may be beneficial. Hand removal of trees in the vicinity is needed to maintain the open character of the habitat for this species. Soil disturbance such as ATV trails or 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.

Global Range:


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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