Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA (6/30/18):
Amaranthus polygonoides
FAMILY
Amaranthaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Amaranthus polygonoides
FAMILY
Amaranthaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Amaranthus polygonoides
COMMON NAME:
Tropical Amaranth, Smartweed Amaranth
To see larger pictures, click or hover over the thumbnails.
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Keith Bradley kab_a_polygonoides_4571
September Miami-Dade County FL
The inflorescences are axillary, congested clusters, per Flora of North America.
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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.
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, 1938)
Amaranthus polygonoides
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
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
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!