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Digital Herbaria

Amaranthus retroflexus

Amaranthus retroflexus L.

Redroot Amaranth

Amaranthaceae (Amaranth Family)

USDA Native Status: L48 (N), AK (I), HI (I), CAN (I), SPM (I)

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Specimen & Label Data

Amaranthus retroflexus

Redroot Pigweed


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)

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