Scientific Name:
Triglochin maritima
cyanogenic glycosides
Flower Color:
marshy areas, wet meadows, alkaline soils, pastures, hay

Geographical Distribution

Arrowgrass distribution - United States


Triglochin maritima

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Arrowgrass (Triglochin maritima) is a perennial herb with dark-green, half-rounded, grass-like leaves which arise from the base of the plant. It develops small, green flowers in early spring that later turn into golden-brown fruits.

Toxic components
Arrowgrass toxins chickens
Arrowgrass contains cyanogenic glycosides, which are chemicals that are capable of producing cyanide. Arrowgrass is more toxic when stressed or damaged due to frost, wilting, stunting or physical damage (mowing, chopping, etc). Plants lose their toxicity with drying. Highest concentrations of poison are in newly developing leaves and during and just after a drought. Arrowgrass growing under drought conditions has been found to be 5 to 10 times as toxic as those plants that have been partially submerged throughout the entire growing season. Death occurs within minutes of eating.