White Sweetclover

Melilotus albus

Fabaceae

Plants in this genus may cause poisoning due to their high coumarin content which
inhibits blood clotting.  M. albus is used in agriculture as a nitrogen fixer to improve soil, and the flowers are very attractive to pollinators and are a major source of nectar for honey production.    It was introduced into North America from Europe for cattle forage.  The abundant seeds float, allowing rapid colonization in riparian areas. This invasive exotic species is widespread across Canada and the U. S., where it outcompetes the native plants.

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