Pitcher plant uses power of the rain to trap prey

Nepenthes gracilis The Nepenthes gra­cilis pitcher plant, found in south­east Asia, has a unique, semi-slippery wax crys­tal sur­face on the under­side of the pitcher lid. Researchers have found that ants could cling to this sur­face under nor­mal con­di­tions, but a rain drop fall­ing on the lid is enough to dis­lodge the insects, cata­pult­ing them into the pitcher where they are diges­ted. This beha­vior can be seen in videos accom­pa­ny­ing the pub­lished article:

With a Flick of the Lid: A Novel Trapping Mechanism in Nepenthes gra­cilis Pitcher Plants. (2012) PLoS ONE 7(6): e38951. doi:10.1371/journal.pone.0038951


Ann Bot is a gestalt entity who works in the office for the Annals of Botany.

2 Responses

  1. Bom says:

    Very inter­est­ing. I learned some­thing new about one of my plants today. Thanks !

  2. Hey i was just search­ing for the same and i got it i don’t believe it its so amaz­ing and per­fect. May i know what are the factors and from they get power.

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