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.

image of Arundo donax

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

        

image of Arundo donax

JK Marlow    jkm160524_004

May    Greenville County    SC

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.

image of Arundo donax

JK Marlow    jkm160913_028

September    Greenville County    SC

image of Arundo donax

JK Marlow    jkm160926_022

September    Greenville County    SC

image of Arundo donax

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

October        

image of Arundo donax

JK Marlow    jkm151023_514

October    Anderson County    SC

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.

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.

image of Arundo donax

JK Marlow    jkm0311h_10

November    Greenville County    SC

Roadside

image of Arundo donax

JK Marlow    jkm151103_035

November    Greenville County    SC

image of Arundo donax

Keith Bradley    kab_arundo_donax_2135

November    Collier County    FL

Big Cypress National Preserve

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.

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.

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.