Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Sphenopholis pensylvanica
FAMILY
Poaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more from Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Sphenopholis pensylvanica
FAMILY
Poaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sphenopholis pensylvanica
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 24 (2007)
Sphenopholis pensylvanica
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Sphenopholis pennsylvanica
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-30-002:
Trisetum pensylvanicum FAMILY Poaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Trisetum pensylvanicum
SYNONYMOUS WITH Flora of the Southeastern US (Small, 1913)
Eatonia pensylvanica
COMMON NAME:
Swamp Wedgescale, Swamp-oats
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_trpe6_001_pvd
)
USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950 pnd_trpe6_002_phd
)
JK Marlow jkm250424_2729
April Greenville County SC
Poinsett Bridge Heritage Preserve
The upper lemmas have a distinct awn 3-9mm long, per Vascular Plants of North Carolina.
)
JK Marlow jkm250424_2730
April Greenville County SC
Poinsett Bridge Heritage Preserve
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Sphenopholis pensylvanica
FAMILY
Poaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Sphenopholis pensylvanica
FAMILY
Poaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sphenopholis pensylvanica
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 24
Sphenopholis pensylvanica
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Sphenopholis pennsylvanica
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-30-002:
Trisetum pensylvanicum
FAMILY
Poaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Trisetum pensylvanicum
SYNONYMOUS WITH
Flora of the Southeastern US (Small, 1913)
Eatonia pensylvanica
5013
Grass, Sedge, or Rush
Perennial
Habitat: bogs, ditches, wet forests, tidal swamps, calcareous seeps, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon (rare in GA Piedmont & GA Coastal Plain)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Alternate, 2-ranked
RHIZOMES? STOLONS?
Cespitose [growing in dense tufts, clumping]
FLOWER:
Spring/Summer
Inflorescence pale green
Inflorescence an open panicle
FRUIT:
Spring/Summer?
Grain
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".