Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Sweetscent Ladies'-tresses
Spiranthes odorata
Family: Orchidaceae

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

Global Rank: G5
State Rank: S1

Swamps and marshes (Weakley 1998); in KY, open herbaceous edge of swamp and a wet pasture but also known from swamps.

Species Description:
Perennial herb.

Flowering Period: Early September to late November.

Additional Information at NatureServe

Diagnostic Characteristics:
The leaves of this ladies'-tresses are present at the time of flowering, which is in the fall. The flower has a strong vanilla scent. Also, the lateral sepals (appearing as two forward pointing petals on the sides of the flower) do not rise above the upper petal tips.

Avoid changes in moisture/hydrologic conditions at the site. Changes could result from overstory removal, stream/wetland alteration or vegetation removal that would result in increased erosion.

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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