Dig deeper at SERNEC, a consortium of southeastern herbaria.

Check out EDDMapS.org to see where this has been reported.

Read more about Spiny Amaranth at Vascular Plants of North Carolina.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amaranthus spinosus   FAMILY Amaranthaceae

SYNONYMOUS WITH Flora of North America
Amaranthus spinosus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 066-03-006:
Amaranthus spinosus   FAMILY Amaranthaceae

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

COMMON NAME:
Spiny Amaranth

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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_amsp_001_lvd

        

JK Marlow    jkm130128_172

January    Spartanburg County    SC

Stems with paired nodal spines, per Weakley's Flora (2012).

Keith Bradley    kab_a_spinosus_75384

June    Miami-Dade County    FL

Krome Bird Refuge

Keith Bradley    kab_a_spinosus_75400

June    Miami-Dade County    FL

Krome Bird Refuge

Richard and Teresa Ware    rtw_amaranthus_spinosus

June        

Simple or compound terminal staminate spikes, usually green to silvery green, per Flora of North America.

JK Marlow    jkm130928_680

September    Spartanburg County    SC

Plant freely branched, robust, 5dm or more tall, per Vascular Flora of the Carolinas.

WEAKLEY'S FLORA (4/24/22):
Amaranthus spinosus   FAMILY Amaranthaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amaranthus spinosus   FAMILY Amaranthaceae

SYNONYMOUS WITH Flora of North America
Amaranthus spinosus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 066-03-006:
Amaranthus spinosus   FAMILY Amaranthaceae

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