Native & Naturalized Plants of the Carolinas & Georgia


1532

Grass, Sedge, or Rush
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common

Look for it on roadsides, in disturbed areas, glades, per Weakley's Flora

map
To see a detailed map, click here

 

full sun ...Moist ...Variable ...Dry

LEAVES:
Simple
Basal & alternate, 2-ranked

FLOWER:
Summer/Fall
Spikelets usually purple or purplish
Inflorescence an open panicle

FRUIT:
Summer/Fall
Grain whitish-yellow
Grain

 

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 (11/30/12):
Tridens flavus   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Tridens flavus var. flavus   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 029-08-004a:
Tridens flavus var. flavus   FAMILY Poaceae

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

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Tridens flavus

 

COMMON NAME:
Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop


Click or hover over the thumbnails to see larger pictures.

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

JK Marlow    jkm0408g_24

August    Greenville County    SC

Just opening up.

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

JK Marlow    jkm060826_066

August    Greenville County    SC

Bunched Arrowhead Heritage Preserve

Spikelets usually red or purple at maturity w 4-8 flowers in a herringbone, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

Gill Newberry    gn09_t_flavus_habitat

September        

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

Gill Newberry    gn09_tridens_flavus

September        

Panicle branches ascending or spreading becoming drooping at the ends, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

JK Marlow    jkm0210f_14a

October    Oconee County    SC

Branchlets droop & are covered with an oily or greaselike substance, per 100 Native Forage Grasses in 11 Southern States.

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

JK Marlow    jkm061008_005

October    Anderson County    SC

Field

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

JK Marlow    jkm061028_018

October    Pickens County    SC

Grain whitish-yellow, ellipsoid, released wihin smooth husks, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

JK Marlow    s021026_c1

October    Greenville County    SC

Open panicle 8-14" long, spreading, pyramidal shaped, usually purple, per 100 Native Forage Grasses in 11 Southern States.

image of Tridens flavus, Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

JK Marlow    jkm0311g_08

November    Chester County    SC

Sumter National Forest: Tyger Ranger District