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 Holmskioldia and Echinocereus both types of plants?" whose answer is yes.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Holmskioldia classification
Useful Output:

Doc 1: Holmskioldia is a genus of flowering plants in the mint family, Lamiaceae. It is native to the Himalayas (India, Pakistan, Nepal, Bhutan,
Doc 2: Holmskioldia Retz., Observ. Bot. · Holmskioldia angustifolia Moldenke, Bull. · Holmskioldia gigas Faden, Kew Bull. · Holmskioldia humbertii Moldenke, Bull.
Doc 3: Holmskioldia sanguinea (Chinese hat plant, cup and saucer plant, parasol flower); flowering habit. Makawao, Maui, Hawaii, USA. January, 2007.
Doc 4: Leaf type: simple. Leaf margin: serrate. Leaf shape: ovate. Leaf venation: brachidodrome; pinnate. Leaf type and persistence: evergreen. Page 2
Doc 5: Holmskioldia. Jump to a section: Classification; Citation; Species; Identification Key; Genus Synonyms. Contains 1 accepted taxa overall. Characteristics. Genus.