OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (11/30/12):
Arundo donax   FAMILY Poaceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Arundo donax   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-04-001:
Arundo donax   FAMILY Poaceae

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

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

 

COMMON NAME:
Giant Reed


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

image of Arundo donax, Giant Reed

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

        

image of Arundo donax, Giant Reed

JK Marlow    jkm160524_004

May    Greenville County    SC

Last year's culms are still standing when the new growth starts.

image of Arundo donax, Giant Reed

JK Marlow    jkm200531_5445

May    Greenville County    SC

image of Arundo donax, Giant Reed

JK Marlow    jkm200611_5825

June    Greenville County    SC

These strange shoots -- oddities of meristematic growth -- are they common?

image of Arundo donax, Giant Reed

JK Marlow    jkm200618_5916

June    Greenville County    SC

image of Arundo donax, Giant Reed

JK Marlow    jkm200618_5919

June    Greenville County    SC

image of Arundo donax, Giant Reed

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, Giant Reed

JK Marlow    jkm160913_028

September    Greenville County    SC

image of Arundo donax, Giant Reed

JK Marlow    jkm160926_022

September    Greenville County    SC

image of Arundo donax, Giant Reed

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

October        

image of Arundo donax, Giant Reed

JK Marlow    jkm151023_514

October    Anderson County    SC

image of Arundo donax, Giant Reed

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, Giant Reed

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, Giant Reed

JK Marlow    jkm0311h_10

November    Greenville County    SC

Roadside

image of Arundo donax, Giant Reed

JK Marlow    jkm151103_035

November    Greenville County    SC

image of Arundo donax, Giant Reed

Keith Bradley    kab_arundo_donax_2135

November    Collier County    FL

Big Cypress National Preserve

image of Arundo donax, Giant Reed

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, Giant Reed

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, Giant Reed

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.

 

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 (Radford, Ahles, & Bell, 1968) 029-04-001:
Arundo donax   FAMILY Poaceae

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

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

 

Find by SCIENTIFIC NAME:

131

Shrub; Grass
Perennial

Non-native: Old World

Habitat: Roadsides, waste dumps, other disturbed areas, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)


INVASIVE

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

 

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!



 


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