You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Are Roystonea and Diplolaena both types of shrubs?" whose answer is no.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Roystonea plant type
Useful Output:

Doc 1: Roystonea regia, the Cuban Royal Palm, is quick growing, majestic and tall, single trunk and crown shafted palm - it is known the world over.
Doc 2: The Royal Palm (Roystonea regia) also known as the Cuban Royal Palm or Florida Royal Palm is a species of palm that belongs to the Arecaceae
Doc 3: Roystonea regia is a tropical plant that is adapted to warm and humid climates. It is commonly found in areas with a year-round average temperature of 25-30°C
Doc 4: Roystonea regia, commonly known as the Cuban royal palm or the Florida royal palm is a species of palm which is native to Mexico and parts of Central America
Doc 5: The royal palm is a large, majestic palm that is native to south Florida and Cuba. It is considered cold hardy to about 28°F or USDA Cold Hardiness Zone 10A.