Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

One-flower Fiddleleaf
Hydrolea uniflora
Family: Hydrophyllaceae

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

Global Rank: G5
State Rank: S1

Swampy woodlands, pond and slough margins, wet ditches.

Species Description:
Perennial herb.

Flowering Period: August September

Additional Information at NatureServe

Diagnostic Characteristics:
Hydrolea uniflora is an aquatic plant with lanceolate leaves that are glabrous (without hairs) or nearly so. The flowers are yellow in subsessile (nearly stemless) axillary clusters.

The habitat for this species is especially sensitive to changes in hydrology and not likely to withstand much alteration. Grazing or browsing pressure, vegetation removal, hydrologic changes (i.e. stream alterations road construction) would be detrimental.

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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