Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Yellow Nodding Ladies'-tresses
Spiranthes ochroleuca
Family: Orchidaceae

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

Global Rank: G4
State Rank: S2?

Damp (although sometimes seasonally only) acid soil of open woods and grassy openings.

Species Description:
Perennial herb.

Flowering Period: Early September to late October.

Additional Information at NatureServe

Diagnostic Characteristics:
The spike of white flowers is tightly spiraled, appearing in several ranks rather than a simple single spiral. Leaves present at flowering. The flowers are light yellow (not deeply colored). The lateral sepals ascend and are 7.5 mm long/ The lip is arcuate recurved (arched up and then the tip down) and with an erose or wavy margin.

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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