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FS 48
April 1963
Shoestring Weed
Scientific name: Psorealea lanceolata
Common names: Devil's shoestring, German alfalfa
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By Martin Zimmerman, Sherman County
Extension Agent, Oregon State University
Perennial
Leaf shape similar to
alfalfa
Flowers in compact
spikes on short stalks,
bluish-white in color
Leaves have strong odor
TH
Root system slender,
tough
Shoestring weed is a perennial with a long, tough root system, from which new
plants arise. It is found on range areas and cropland in the Midwest and east of
the Cascades in Oregon.
Control: Limited research indicates that 20 pounds of TEA per acre gives 75
control.
This is one of a series of Fact Sheets reporting Cooperative Extension work in agriculture and home economics, F. E. Price, director. Printed and distributed in furtherance of Acts of Congress of May 8 and June 30,
1914. Oregon State University, Oregon counties, and U. S. Department of Agriculture cooperating.