The biology of alkaline nectar in the purple toothwort (Lathraea clandestina): ground level defences

What is it about?

The paper describes the unusual, very alkaline, nectar of this parasitic plant (native to the mediterranean) and whose flowers grow at ground level. Changes in the properties of nectar with flower age are described, and the function of the habit as a possible anti predator device is discussed.

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Why is it important?

It is the first time that such alkaline nectar has been described. The nectar contains components with functions that are not primarily involved in attracting potential pollinators.