Native Plants
Digital Herbaria
Amaranthus retroflexus
Amaranthus retroflexus L.
Redroot Amaranth
Amaranthaceae (Amaranth Family)
USDA Symbol: AMREUSDA Native Status: L48 (N), AK (I), HI (I), CAN (I), SPM (I)
click to enlarge
Specimen & Label Data
Amaranthus retroflexus
Redroot Pigweed
Amaranthaceae
Location: E of Salado Creek, on N side of broad drain, 200 m N of Rittiman Rd, San Antonio.Latitude: 0.000000
Habitat: Alluvial floodplain, often inundated.
Description: Erect annual, 60+ cm tall, from stout taproot, branched above. Stalk white-striped. Leaves alternate, long-petioled. Blades ovate, acute both ends, medium-green above, lighter beneath w/prominent veins (some pubescence on these). Monoecious in dense terminal/axillary spikes to 20+ cm long x 10 mm thick.
County: Bexar
Collector: Harry Cliffe
Collection Date: Oct 12, 1994
Specimen number: 698
Herbarium Owner: NPSOT
Herbarium ID: 0992
Accession Date: Jan 24, 1995
Accession Number: 78
Annotations: (In flower)