Grammatophyllum is a type of orchid that is known for its large size and vibrant blooms. In the world of botany, it is referred to by a few different synonyms to describe the same plant. One of the most commonly used synonyms for grammatophyllum is "tiger orchid," due to the distinctive striped patterns on the petals of its flowers. Another synonym is "giant orchid," which highlights the plant's impressive size, with some varieties growing up to 25 feet tall. Some other synonyms used for grammatophyllum include "cattleya," "dendrobium," and "vanda," which are all closely related species of orchid.