pitcher plant

Short definition from Wiktionary

Noun

1. 1
   Any of various insectivorous plants of the genera Sarracenia, Darlingtonia, Heliamphora (in order Ericales); Nepenthes (in order Caryophyllales), or Cephalotus (in order Oxalidales) that have pitcher-like leaves or parts of leaves with slippery sides that attract and trap insects.