Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Swamp Wedgescale
Sphenopholis pensylvanica
Family: Poaceae

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

Global Rank: G4
State Rank: S1S2

Swamps and wet woods (Gleason & Cronquist 1991).

Species Description:
Perennial herb.

Flowering Period: Early April to late June.

Additional Information at NatureServe

Diagnostic Characteristics:
Spikelets are strongly compressed and large, 5-9.5 mm in length. The two glumes are different from each other, one long and narrow and the other shorter wider second one. The second lemma with an awn 3.5-7 mm. This plant is found in swamps.

Changes in moisture/hydrologic conditions of the habitat for this species would likely be detrimental. Changes could result from overstory removal, stream/wetland alteration or impacts due to erosion or soil deposition. 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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