Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cyperus difformis
FAMILY
Cyperaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Variable Flatsedge at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cyperus difformis
FAMILY
Cyperaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Cyperus difformis
SYNONYMOUS WITH Flora of North America
Cyperus difformis
COMMON NAME:
Variable Flatsedge, Smallflower Umbrella Sedge
NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cyperus difformis
FAMILY
Cyperaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cyperus difformis
FAMILY
Cyperaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Cyperus difformis
SYNONYMOUS WITH
Flora of North America
Cyperus difformis
4184
Grass, Sedge, or Rush
Annual
Habitat: Disturbed areas, per Weakley's Flora
Non-native: Old World tropics
Rare
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
LEAVES:
Simple
RHIZOMES? STOLONS?
Cespitose [growing in dense tufts, clumping]
FLOWER:
Summer/Fall
Bisexual
Perianth absent
Superior ovary
Spikelets in globose heads
FRUIT:
Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!