Native & Naturalized Plants of the Carolinas & Georgia

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3853

Forb
Annual
Monoecious

Non-native: tropical America

Documented growing wild in - - SC

Waif(s)

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

map
To see a detailed map, click here

 

IS THE PLANT "ARMED"?
Stems not armed

LEAVES:
Simple
Alternate
Petioles roughly equal length of blade

FLOWER:
Spring/Summer/Fall
Unisexual
4-5 sepals in staminate flowers, 5 in pistillate flowers
Petals absent

Inflorescences axillary, congested clusters

FRUIT:
Spring/Summer/Fall
Utricle

 

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



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

WEAKLEY'S FLORA (6/30/18):
 Amaranthus polygonoides   FAMILY Amaranthaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amaranthus polygonoides   FAMILY Amaranthaceae

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

 

COMMON NAME:
 Tropical Amaranth, Smartweed Amaranth

Click or hover over the thumbnails to see larger pictures.

image of Amaranthus polygonoides, Tropical Amaranth, Smartweed Amaranth

Keith Bradley    kab_a_polygonoides_4571

September    Miami-Dade County    FL

The inflorescences are axillary, congested clusters, per Flora of North America.

image of Amaranthus polygonoides, Tropical Amaranth, Smartweed Amaranth

Keith Bradley    kab_a_polygonoides_4573

September    Miami-Dade County    FL

Leaf blade ovate, obovate-rhombic to narrowly ovate, sometimes lanceolate, per Flora of North America.