KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Starry-cleft Phlox
Phlox bifida ssp. stellaria
Family: Polemoniaceae

Protection Status:
State Status:  E
USFWS Status: 

Global Rank: G5?T3
State Rank: S1

   

Photo by KSNPC Staff
Habitat:
Dry cliffs, bluffs, sandhills, dunes, dry sandy soil and rock ledges, cedar glades.

Species Description:
Perennial herb.

Phenology:
Flowering Period: Mid March to late May.

Additional Information at NatureServe

Diagnostic Characteristics:
Starry cleft phlox has narrow almost needle like leaves (ca 15-50 mm long and only 1-2 mm wide). The plants form low mats and are stems semi-woody. The flowers are light blue to white, notched to about 1/2 their length. The plants are found associated with rock outcrops. This subspecies differes in having trichomes eglandular or absent (subsp. bifida has glandular trichomes).

Management:
Timber removal would be detrimental. Exotic pest plants are a threat to this species and should be removed. Avoid creating access to the site through trail or road construction.

Global Range:
Very local, sporadic from southern Illinois and Indiana, southward through Kentucky into Tennessee and Missouri. Potentially recorded from southern Michigan.

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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