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 Appearance:
Annual, occasional biennial forb 1 1/2 to 2' tall with an erect, branched,
downy stem. Leaves: Alternate,
small, lance-shaped and covered with a grayish down.
Flower: Tiny white flowers are arranged
in elongated clusters along a central stem, each flower with four
deeply divided petals; blooming June through August.
Seeds: Round to oblong, narrowly winged.
Root: Taproot |
Hoary alyssum, a native of Europe, does
not pose a threat to intact native grasslands at this time. It displaces
native species particularly in dry prairies and sand blowouts where
vegetation is sparse. It is most abundant in disturbed dry areas,
fields and waste places. It can be a nuisance in prairie reconstructions but declines with prescribed burning.
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 Weeds
of Nebraska and the Great Plains, James Stubbendieck and Geir Friisoe,
Nebraska Department of Agriculture, 1994/95. |
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