OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Amaranthus hybridus ssp. hybridus   FAMILY Amaranthaceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Amaranthus hybridus   FAMILY Amaranthaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Amaranthus hybridus

INCLUDED WITHIN Flora of North America

Amaranthus hybridus

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)

Amaranthus hybridus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 066-03-002:

Amaranthus hybridus   FAMILY Amaranthaceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Amaranthus hybridus

 

COMMON NAME:
Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth


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

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_amhy_001_lvd

        

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

Terry Holdsclaw    tdh_a_hybridus_8423

July    Iredell County    NC

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

Terry Holdsclaw    tdh_a_hybridus_8429b

July    Iredell County    NC

Floral bracts longer than subtended flowers, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm130823_494

August    Greenville County    SC

Swamp Rabbit Trail

Inflorescence branches ascending, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm130823_496

August    Greenville County    SC

Swamp Rabbit Trail

Inflorescences moderately large, usually soft and lax, with spreading branches, per Weakley's Flora.

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm130823_497c

August    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm140814_589

August    Greenville County    SC

Swamp Rabbit Trail

Blade ovate, rhombic-ovate, or lanceolate; petiole half or as long as blade, per Flora of North America.

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm140814_591

August    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm140814_597

August    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm140922_918

September    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm140922_922

September    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

Terry Holdsclaw    tdh_amaranthus_hybridus

September    Iredell County    NC

A tall annual, per Weeds of Southern Turfgrasses (Murphy et al., 1992).

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm121013_501

October    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm121013_504

October    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm121013_507

October    Greenville County    SC

Swamp Rabbit Trail

image of Amaranthus hybridus ssp. hybridus, Smooth Pigweed, Smooth Amaranth, Green Amaranth, Slim Amaranth

JK Marlow    jkm141025_305

October    Greenville County    SC

Swamp Rabbit Trail

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Amaranthus hybridus ssp. hybridus   FAMILY Amaranthaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Amaranthus hybridus   FAMILY Amaranthaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Amaranthus hybridus

INCLUDED WITHIN Flora of North America
Amaranthus hybridus

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Amaranthus hybridus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 066-03-002:
Amaranthus hybridus   FAMILY Amaranthaceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Amaranthus hybridus

 

Find by SCIENTIFIC NAME:

63

Forb
Annual
Monoecious

Habitat: Disturbed areas, per Weakley's Flora

Native distribution uncertain, but apparently native to eastern US

Common

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 from 1/2 to equal length of blade
Margins entire

FLOWER:
Summer/Fall
Greenish (rarely purplish)
1-5 sepals (or sepals absent) subtended by 3 bracts
Petals absent
Unisexual

FRUIT:
Summer/Fall
Utricle

 

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



 


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