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: "What plant has more species, Aerangis or Gillenia?" whose answer is Aerangis.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Gillenia species count
Useful Output:

Doc 1: Gillenia. Two species growing in moist and dry woodlands, from Canada and eastern North America. In late spring, early summer, star-like white
Doc 2: The Bowman's root is yet another North American native species (S. Ontario and various US states) which deserves more attention. Offered by
Doc 3: Hypanthia 5.5–8 mm. Petals 12–22 mm. Follicles short-beaked, smooth or slightly rugulose, loosely strigose to villous-strigose. 2n = 18.
Doc 4: Gillenia is a unique plant from a genus of only 2 species of which just one is horticulturally cultivated – three-leaved Bowman's root.
Doc 5: Hypanthia 5.5–8 mm. Petals 12–22 mm. Follicles short-beaked, smooth or slightly rugulose, loosely strigose to villous-strigose. 2n = 18.