Native & Naturalized Plants of the Carolinas & Georgia


131

Shrub; Grass
Perennial

Non-native: Old World
Documented growing wild in GA NC SC

Uncommon

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

map
To see a detailed map, click here


INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

Alabama Invasive Plant Council, 2012
Brooklyn Botanic Garden
Georgia Exotic Pest Plant Council, 2006
Kentucky Exotic Pest Plant Council, 2013
Mid-Atlantic Exotic Pest Plant Council
SC Exotic Pest Plant Council, 2014
Tennessee Exotic Pest Plant Council, 2009
US Forest Service Southern Research Station

 

LEAVES:
Simple
Alternate, 2-ranked

FLOWER:
Summer/Fall
Glumes purplish

FRUIT:
Summer/Fall
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):
Arundo donax   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Arundo donax   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 029-04-001:
Arundo donax   FAMILY Poaceae

GREATER THAN Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Arundo donax var. donax

GREATER THAN Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Arundo donax var. versicolor

 

COMMON NAME:
Giant Reed


Click or hover over the thumbnails to see larger pictures.

picture of Arundo donax, image of Arundo donax

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_ardo4_003_lvd

        

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm160524_004

May    Greenville County    SC

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm0309e_09a

September    Greenville County    SC

Roadside

Cornstalk-like culms over 20' high topped by 3' feathery plumes of flowers, per Invasive Plants, Guide to Identification, Impacts and Control.

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm160913_028

September    Greenville County    SC

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm160926_022

September    Greenville County    SC

picture of Arundo donax, image of Arundo donax

Karan A. Rawlins, University of Georgia, Bugwood.org     bug_5405051

October        

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm151023_514

October    Anderson County    SC

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm151023_519

October    Anderson County    SC

Leaf blades conspicuously distichous [2-ranked], spaced ~ evenly along culm, per Manual of the Grasses of the United States.

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm151023_520

October    Anderson County    SC

Panicle dense, erect, 30-60cm long, per Manual of the Grasses of the United States.

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm0311h_10

November    Greenville County    SC

Roadside

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm151103_035

November    Greenville County    SC

picture of Arundo donax, image of Arundo donax

Keith Bradley    kab_arundo_donax_2135

November    Collier County    FL

Big Cypress National Preserve

picture of Arundo donax, image of Arundo donax

JK Marlow    jkm0412a_15

December    Anderson County    SC

Roadside

Seeds apparently sterile. Reproduction is from fragments of stems & rhizomes, per Invasive Plants, Weeds of the Global Garden.

picture of Arundo donax, image of Arundo donax

Amy Ferriter, State of Idaho, Bugwood.org    bug_1461062

Month Unknown        

Sheaths overlapping; basal clasping blade flange conspicuous, per Vascular Flora of the Carolinas.

picture of Arundo donax, image of Arundo donax

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org     bug_5446641

Month Unknown        

The flat smooth leaf blades reach up to 1.5' long, per Invasive Plants, Guide to Identification, Impacts and Control.