Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Small-flower Thoroughwort
Eupatorium semiserratum
Family: Asteraceae

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

Global Rank: G5
State Rank: S1?

Wet woods and openings.

Species Description:
Perennial herb.

Flowering Period: Mid July to late October.

Additional Information at NatureServe

Diagnostic Characteristics:
This species occurs in wetlands, particularly swamps. Flowers are white and there are 5 per head. Leaves are arranged opposite on the stem and twisted at the base so the blades are vertical, the bases are narrowly tapering.

Disturbance of surrounding areas such as ATV trails, timber removal or any activity that results in increased erosion and weed invasion will 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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