NameThatPlant.net: Cyperus plukenetii

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

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

Dig deeper at SERNEC, a consortium of southeastern herbaria.

One of the more "handsome" graminoids of dry sandhills habitats, with a wide-spreading inflorescence that looks like a fireworks display. Read more at Vascular Plants of North Carolina.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cyperus plukenetii FAMILY Cyperaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Cyperus plukenetii

SYNONYMOUS WITH Flora of North America

Cyperus plukenetii

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-034:

Cyperus plukenetii FAMILY Cyperaceae

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

Cyperus retrofractus var. retrofractus

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

Cyperus retrofractus

COMMON NAME:
Starburst Flatsedge, Plukenet’s Flatsedge, Plukenet’s Sedge

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

image of Cyperus plukenetii, Starburst Flatsedge, Plukenet’s Flatsedge, Plukenet’s Sedge

JK Marlow jkm161001_050

September Chesterfield County SC

Carolina Sandhills National Wildlife Refuge

The peduncles are of unequal length, the bracts shorter than longest peduncle, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

JK Marlow jkm161001_055

September Chesterfield County SC

Carolina Sandhills National Wildlife Refuge

Spikes strongly obovate, composed of many sharp, backward-oriented scales, per Wildflowers of the Sandhills Region (Sorrie, 2011).

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cyperus plukenetii FAMILY Cyperaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Cyperus plukenetii

SYNONYMOUS WITH Flora of North America
Cyperus plukenetii

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-034:
Cyperus plukenetii FAMILY Cyperaceae

SYNONYMOUS WITH (MISAPPLIED) Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Cyperus retrofractus var. retrofractus

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

4047

Grass, Sedge, or Rush
Perennial

Habitat: Longleaf pine sandhills, sandy woodlands, thin soils of rock outcrops, and dry, disturbed areas, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain (rare in Piedmont)

map
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

FLOWER:
Summer/Fall
Bisexual
Superior ovary

FRUIT:
Summer/Fall
Nutlet

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