KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Western Hairy Rockcress
Arabis hirsuta
Family: Brassicaceae

Protection Status:
State Status:  T
USFWS Status: 

Global Rank: G5
State Rank: S1S2

   


Habitat:
Dry rocky woods.

Species Description:
Perennial herb.

Phenology:
Flowering Period: Early May to late June.

Additional Information at NatureServe

Diagnostic Characteristics:
Pedicels and fruits erect, fruit are flat and 0.7-1.1 mm wide and the seeds are in 1 row, leaves are auriculate (flaring at the base into a lobe) and some may be hairy at least those toward the base, stems are pubescent.

Management:
Woody plant invasion may need to be controlled using periodic prescribed fire, mowing or other means to maintain the open character of the habitat for this species. Hand removal of trees in the vicinity of the species is necessary. Soil disturbance resulting from activities 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.

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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