Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
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.
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm130128_172
January Spartanburg County SC
Stems with paired nodal spines, per Weakley's Flora (2012).
Richard and Teresa Ware rtw_amaranthus_spinosus
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.
Non-native: Tropical America
Documented growing wild in GA NC SC
Look for it in fields, gardens, roadsides, barnyards, pastures, per Weakley's Flora
IS THE PLANT "ARMED"?
Stems armed with paired stipular nodal spines
Green to silvery-green
1-5 sepals (or sepals absent) subtended by 3 bracts
Flowers in terminal thyrses
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast p462
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p074