Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Umbel-like Sedge
Carex tonsa var. rugosperma
Family: Cyperaceae

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

Global Rank: G5T5
State Rank: S2?

Dry mesic woodland, prairie.

Species Description:
Perennial sedge.

Flowering Period: Early April to late June.
Fruiting Period: Early May to late July.

Additional Information at NatureServe

Diagnostic Characteristics:
Sedge, in the section Acrocystis (Montannae), with culms of widely varying lengths; spikes below the ends of the leaves and somewhat concealed. Perigynia is beaked with well developed teeth at the orafice.

Woody plant invasion may need to be controlled using periodic prescribed fire, mowing or other means. Timber removal may be beneficial. Hand removal of trees in the vicinity is needed to maintain the open character of the habitat for this species. 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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