OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Arundo donax   FAMILY Poaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Arundo donax   FAMILY Poaceae

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

Arundo donax

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25 (2003)

Arundo donax

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

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

Arundo donax

 

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 (Kaufman & Kaufman, 2007).

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 (Hitchcock & Chase, 1950).

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 (Hitchcock & Chase, 1950).

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 (Randall & Marinelli, 1996).

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 (Radford, Ahles, & Bell, 1968).

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 (Kaufman & Kaufman, 2007).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Arundo donax   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Arundo donax   FAMILY Poaceae

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

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25
Arundo donax

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

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

 

Find by SCIENTIFIC NAME:

131

Grass, Sedge, or Rush
Perennial

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

Non-native: Old World

Uncommon (rare in Mountains)

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.)


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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