The Amazon palm in South America has a leaf with a length of 24.7 meters. The tropical long-leaf coconut has a leaf that is 27 meters long and is as tall as a seven-story building. This is the longest leaf known so far;
The leaves of the plant with the largest leaves, Wanglian, can be said to be the largest among aquatic flowering plants. However, it is not yet the largest leaf in the world. Among terrestrial plants, there is also a larger leaf than the regal lotus, which is the large root Nella grass that grows in the forests of Chile. One of its leaves can cover three people riding side by side, including them and their horses
Reference: Baidu