Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Cleft Phlox
Phlox bifida ssp. bifida
Family: Polemoniaceae

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

Global Rank: G5?T5?
State Rank: S1S2

Dry sandy soil on wooded slopes and rock ledges.

Species Description:
Perennial herb.

Flowering Period: Early April 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 stems are 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 has glands on the pedicels and calyces.

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:

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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