Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Snow Squarestem
Melanthera nivea
Family: Asteraceae

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

Global Rank: G5
State Rank: S3?

Floodplains and wet/moist sandy woods including disturbed openings.

Species Description:
Perennial herb.

Flowering Period: Early June to late September.
Fruiting Period: Early July to mid October.

Additional Information at NatureServe

Diagnostic Characteristics:
This species in the Aster family but may be confused with a mint since it has a square stem and head of white flowers. It is found in wet woods and swamps. The leaves are ovate, petiolate and coarsely toothed. Plants are 1-2 m tall and the heads are 1-2 cm wide.

Timber removal or soil disturbing activities would likely be detrimental. Exotic pest plants are a threat to this species.

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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