Crassula is a genus of succulent plants that are known for their thick and fleshy leaves. Synonyms for this word include jade plant, money tree, and friendship tree. The jade plant is a popular choice for succulent enthusiasts due to its easy-to-care-for nature and its ability to grow well both indoors and outdoors. Money tree is another popular name for crassula, as it is believed to bring wealth and prosperity. The friendship tree is also a synonym for crassula, as gifting a jade plant to a friend is said to symbolize a long-lasting and meaningful friendship. Whatever you choose to call it, the crassula is a gorgeous and resilient plant that is sure to bring joy to any space.