OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (6/30/18):
Amaranthus australis   FAMILY Amaranthaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amaranthus australis   FAMILY Amaranthaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Acnida alabamensis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Acnida cuspidata

 

COMMON NAME:
Southern Water-hemp, Southern Amaranth, Careless


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

image of Amaranthus australis, Southern Water-hemp, Southern Amaranth, Careless

Keith Bradley    kab_a_australis_08304

April    Monroe County    FL

Everglades National Park

This annual is alleged to reach a size of 9m tall & 30cm diameter at the base, per Weakley's Flora.

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (6/30/18):
Amaranthus australis   FAMILY Amaranthaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amaranthus australis   FAMILY Amaranthaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Acnida alabamensis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Acnida cuspidata

 

Find by SCIENTIFIC NAME:

3852

Forb
Annual
Dioecious

Native to Georgia (perhaps) and southward into South America (introduced in NC)

Habitat: Tidal marshes, freshwater wetlands (swamps, strands, sloughs, marshes), ditches, disturbed areas, per Weakley's Flora

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.)

IS THE PLANT "ARMED"?
Stems not armed

LEAVES:
Simple
Alternate
Petioles 1/3-2/3 length of blade
Margins entire

FLOWER:
Spring/Summer
Unisexual
5 sepals in staminate flowers, absent in pistillate flowers
Petals absent
5 stamens in staminate flowers

Inflorescences mostly terminal, usually interrupted, linear spikes to panicles

FRUIT:
Spring/Summer
Utricle

 

TO LEARN MORE about this plant, look it up in a good book!



 


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