Nepenthes (Family Nepenthaceae) is the genus of insectivorous, Asian pitcher plants. When the leaf is young, as in this specimen of N. burgei, a tendril forms near the tip, which then develops as the insect-catching pitcher. Nepenthes (Family Nepenthaceae) is the genus of insectivorous, Asian pitcher plants. When the leaf is young, as in this specimen of N. burgei, a tendril forms near the tip, which then develops as the insect-catching pitcher.