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Houndstongue
(Cynoglossum officinale L.)
Produced by Wyoming Weed & Pest Council in cooperation with Sandoz
Crop Protection Corp.
Photo by Tom Whitson, Roy Reichenbach
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Growth Habit: Biennial, rosette formed on the ground the first year, flowering stalk elongates the second year.
Leaves: Velvety to the touch, basal, broad lance-shaped. Upper is narrower, pointed, clasping stem.
Stem: Heavy, erect, usually branched aboce to 3' tall.
Flower: Dark red, rarely white, 1/4" diameter in terminal clusters.
Roots: Taproot.
Seeds: 4 flattened but-like nutlets, each 1/4" long with short barbed appendages.
Reproduction: Seeds.
Biological Controls: None used in Yellowstone County at this time.
Herbicides: Escort.
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