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: "Do the genuses Aciphylla and Hoodia belong to the same family?" whose answer is no.
Each document should contain about 30 words, and these documents should contain useful information.

Query: classification of Hoodia
Useful Output:

Doc 1: The steroidal glycosides in Hoodia gordonii have been classified into two major core groups: hoodigogenin A and calogenin. The hoodigosides E, K, D, C, Unknown-
Doc 2: Hoodia gordonii, also known as “Bushman's hat” and “Queen of the Namib,” is a succulent in the Apocynaceae family of flowering plants. This
Doc 3: For thousands of years, they have used the bitter flesh of hoodia gordonii (hoodia), a leafless succulent plant indigenous to the region, to
Doc 4: Hoodia gordonii is a spiny succulent plant popularly consumed for its purported anti-obesity effect. Traditionally used by the Khoi-San of South Africa and
Doc 5: The Hoodia gordonii, known as Kalahari Cactus, is a vibrant member of the genus Hoodia! This Hoodia is sometimes referred to as the “cactus of the Kalahari"