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: "Which genus contains more species, Hippeastrum or Pittosporum?" whose answer is Pittosporum.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Pittosporum species
Useful Output:

Doc 1: Only 3 species are wide-ranging (P. angustifolium, P. revolutum, P. undulatum). There are 14 species restricted to mainland Australia and 3
Doc 2: Japanese pittosporum (Pittosporum tobira) is a tough, evergreen shrub commonly grown in the midlands and coastal South Carolina.
Doc 3: The Pittosporum genus contains about 200 different species that are part of the Pittosporaceae family. Most varieties of pittosporum will have
Doc 4: Here we describe Pittosporum roimata , the only vascular plant endemic to the Poor Knights Islands, Northland, Aotearoa/New Zealand.
Doc 5: Pittosporums prefer a soil pH within the range of 6.5 to 7.5 which means they can tolerate both slightly acidic and slightly alkaline soils.