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Polycnemum arvense L.  
Go To Encyclopedia of Life...
Family: Amaranthaceae
Field Needleleaf
Polycnemum arvense image
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Leila M. Shultz in Flora of North America (vol. 4)
Stems procumbent or erect, branches spirally twisted, to 10 (-50) cm, glabrous to densely pubescent. Leaves green, 3-8(-12) × 1 mm, base somewhat clasping, hyaline, not bristly, apex softly spine-tipped. Bracts: distalmost at least 3 times perianth length. Bracteoles ca. equaling perianth length. Seeds 1-1.5 mm. 2n = 18. Flowering summer-fall. Sandy soils; 0-200 m; introduced; B.C.; c, s Europe to e Russia. Once considered weedy, this species has been collected rarely in recent years.

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Polycnemum arvense
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The National Science Foundation
Developments of SEINet, Symbiota, and associated specimen databases have been supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)