Taxon:
Amaranthus palmeri S. Wats.
Family: Amaranthaceae
Collector:
Marc A. Baker 8616
Date: 25 August 1991
Locality:
USA, Arizona, Pinal County, Aravaipa Creek and Hwy 77; T7S R16E SE21/4NE1/4 Sec 9; 36 33 400 m N, 5 27 200m El .5k E of the San Pedro River, ca. 12 miles S of Winkleman.
32.8383 -110.7094
Verbatim Coordinates:
TRS: T7S R16E S9 SE1/4NE1/4
Elevation:
655 meters
Verbatim Elevation:
2150ft.
Habitat:
Creek bottom
Associated Species:
Tamarix, Eriogonum, Nicotiana, Salix, Ipomoea, Datura, Veronica,Polanisia, Baccharis salicifolia, Cynodon dactylon, Xanthium, Populus fremontii, Amaranthus palmeri, Chenopodium ambrodioides, Physalis wrightii
Description:
Annual herb to .8dm tall; stems pale green to purple-red; leaves dark green; inflorescence bracts green, moist sand bar in middle of creek
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