Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cyperus iria
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 Rice-field Flatsedge at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cyperus iria
FAMILY
Cyperaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Cyperus iria
SYNONYMOUS WITH Flora of North America
Cyperus iria
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-020:
Cyperus iria FAMILY Cyperaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus iria
COMMON NAME:
Rice-field Flatsedge
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_cyir_001_lvd
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Keith Bradley kab_cyperus_iria_4515
September Miami-Dade County FL
Bracts 3-4, 1-4mm wide. Peduncles to 6cm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Keith Bradley kab_cyperus_iria_4515b
September Miami-Dade County FL
Spikes numerous in irregularly ascending, umbellate clusters, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Keith Bradley kab_cyperus_iria_4515c
September Miami-Dade County FL
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cyperus iria
FAMILY
Cyperaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cyperus iria
FAMILY
Cyperaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Cyperus iria
SYNONYMOUS WITH
Flora of North America
Cyperus iria
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-020:
Cyperus iria
FAMILY
Cyperaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus iria
3964
Grass, Sedge, or Rush
Annual
Habitat: marshes, ditches, disturbed wet areas, sandbars and gravelbars, per Weakley's Flora
Non-native: Old World
Common (uncommon in SC Mountains, rare in NC Mountains)
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.)
LEAVES:
Simple
Basal & low alternate
FLOWER:
Summer/Fall
Bisexual
Superior ovary
FRUIT:
Summer/Fall
Nutlet
TO LEARN MORE about this plant, look it up in a good book!