You will be given a definition of a task first, then some input of the task.
In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

Cylindropuntia is a genus of cacti (family Cactaceae), containing the cholla, native to northern Mexico and the Southwestern United States. They are known for their barbed spines that tenaciously attach to skin, fur, and clothing. Question: Are both Cylindropuntia and Aspen common names for certain tree species? Answer: no
Output:
Cylindropuntia is a genus of cacti family Cactaceae, containing the cholla, native to northern Mexico and the Southwestern United States.