Category Archives: extrafloral nectary

Meal Time

There is an annual prairie plant that grows here in Iowa, and it is called partridge pea, Cassia fasciculata.  The plant has little glands at the base of its leaves.  Those glands are called extrafloral nectaries.  The plant releases sugary … Continue reading

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Extrafloral what?

Extrafloral nectaries are places where  plants release nectar–a mixture of sugars, water, and often other substances. It is believed that they serve primarily to attract ants, and that the ants attack other insects which inhabit those plants.  This keeps the … Continue reading

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A cool drink of sugar water

Here is an American snout butterfly, Libytheana carinenta, drinking nectar from an extrafloral nectary on partridge pea, Cassia fasciculata.

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