trapping mechanism

The conspicuous trapping mechanism, which is always a modified leaf, draws special attention to these plants. A variety of trapping mechanisms exist and are designated as active or passive based on whether they move to capture prey. Pitfall traps, such as those found in pitcher plants, are…

…and uses its carnivorous pitfall traps to supplement its nutritional requirements in poor soil conditions. It thrives in redwood and red fir forests up to 2,000 metres (6,000 feet) above sea level, where temperatures remain below about 18 °C (65 °F).

… that function as passive pitfall traps. Attracted by nectar secreted from the underside of the trap’s lid, the prey often slip from the mouth of the pitcher into a pool of liquid at the bottom and are unable to escape, because of the pitcher’s downward-pointing hairs and slick sides. The…

… that form a passive pitfall trap. Old World pitcher plants are members of the family Nepenthaceae (order Caryophyllales), while those of the New World belong to the family Sarraceniaceae (order Ericales). The Western Australian pitcher plant (Cephalotus follicularis) is the only species of the family Cephalotaceae (order Oxalidales