Native & Naturalized Plants of the Carolinas & Georgia


3532

Grass, Sedge, or Rush
Annual

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common

Look for it in moist soils of fields, ditches, lawns, shores of ponds and rivers, per Weakley's Flora

map
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...Moist

LEAVES:
Simple
Basal

RHIZOMES? STOLONS?
Cespitose, not rhizomatous

FLOWER:
Summer/Fall
Spikes greenish
Bisexual
Superior ovary
Inflorescences unbranched (the spikes sessile)

FRUIT:
Summer/Fall
Yellowish
Nutlet

 

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



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

WEAKLEY'S FLORA (6/30/18):
Cyperus hortensis   FAMILY Cyperaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Kyllinga pumila   FAMILY Cyperaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (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)
Kyllinga pumila

 

COMMON NAME:
Annual Greenhead Sedge


Click or hover over the thumbnails to see larger pictures.

image of Cyperus hortensis, Annual Greenhead Sedge

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

        

image of Cyperus hortensis, Annual Greenhead Sedge

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

        

image of Cyperus hortensis, Annual Greenhead Sedge

Gill Newberry    gn09_c_tenuifolium_base

September        

image of Cyperus hortensis, Annual Greenhead Sedge

Gill Newberry    gn09_c_tenuifolium_inf

September        

Spikes 1-3, greenish, cylindric to subglobose, sessile, per Vascular Flora of the Carolinas.

image of Cyperus hortensis, Annual Greenhead Sedge

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.

image of Cyperus hortensis, Annual Greenhead Sedge

JK Marlow    jkm190903_1228

September    Greenville County    SC

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