2014•BiotropicaRequires access

Foliar Extrafloral Nectar of Humboldtia brunonis (Fabaceae), a Paleotropic Ant‐plant, is Richer than Phloem Sap and More Attractive than Honeydew

Joyshree Chanam, Srinivasan Kasinathan, Gautam Kumar Pramanik, Amaraja Jagdeesh, Kanchan A. Joshi, Renee Maria Borges

Abstract

Abstract The ant‐plant Humboldtia brunonis secretes extrafloral nectar (EFN) despite the lack of antiherbivore protection from most ants. EFN was richer in composition than phloem sap and honeydew from untended Hemiptera on the plant, suggesting that EFN could potentially distract ants from honeydew, since ants rarely tended Hemiptera on this plant.

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Available abstract

Key concepts: Honeydew, Nectar, Phloem, Biology, Hemiptera, Fabaceae, Myrmecophyte, Myrmecophily