OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cyperus hortensis   FAMILY Cyperaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Kyllinga pumila   FAMILY Cyperaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 23 (2002)

Cyperus hortensis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-002:

Cyperus tenuifolius   FAMILY Cyperaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Cyperus tenuifolius

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Kyllinga pumila

 

COMMON NAME:
Annual Greenhead Sedge, Low Spikesedge


         To see larger pictures, click or hover over the thumbnails.

image of Cyperus hortensis, Annual Greenhead Sedge, Low Spikesedge

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_kypu_001_lvd

        

image of Cyperus hortensis, Annual Greenhead Sedge, Low Spikesedge

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_kypu_002_lvd

        

image of Cyperus hortensis, Annual Greenhead Sedge, Low Spikesedge

Gill Newberry    gn09_c_tenuifolium_base

September        

image of Cyperus hortensis, Annual Greenhead Sedge, Low Spikesedge

Gill Newberry    gn09_c_tenuifolium_inf

September        

Spikes 1-3, greenish, cylindric to subglobose, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Cyperus hortensis, Annual Greenhead Sedge, Low Spikesedge

Gill Newberry    gn09_cyperis_tenuifolius

September        

Usually 3 bracts, to 15cm long, 0.5-3mm wide. Leaf blades 1-3mm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Cyperus hortensis, Annual Greenhead Sedge, Low Spikesedge

JK Marlow    jkm190903_1228

September    Greenville County    SC

Lvs predominantly basal, not 3-ranked. Leafy bracts subtend the inflorescence, per Weakley's Flora.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cyperus hortensis   FAMILY Cyperaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Kyllinga pumila   FAMILY Cyperaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 23
Cyperus hortensis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-002:
Cyperus tenuifolius   FAMILY Cyperaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Cyperus tenuifolius

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Kyllinga pumila

 

Find by SCIENTIFIC NAME:

3532

Grass, Sedge, or Rush
Annual

Habitat: Moist soils of fields, ditches, lawns, shores of ponds and rivers, per Weakley's Flora

Native to the Carolinas & Georgia

Common

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Basal

RHIZOMES? STOLONS?
Cespitose [growing in dense tufts, clumping], not rhizomatous

FLOWER:
Summer/Fall
Heads green
Bracts usually 3, to 15cm long
Superior ovary
Bisexual

Inflorescences unbranched (the spikes sessile)

FRUIT:
Summer/Fall
Nutlets yellowish
Spikelet with one nutlet enclosed by two scales

 

TO LEARN MORE about this plant, look it up in a good book!



 


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