useless trivia: What Word Means: A State In Malaysia?

Questions

Common name for a family of mostly woody flowering plants, and for one of its important genera?

Common name for a tropical tree (Mulberry), grown on the islands of the South Pacific Ocean?

Common name for flightless, aquatic birds of the southern hemisphere?

Common name for many rodents belonging to the same family as the woodchuck (marmot), chipmunk, and prairie dog?

Common ore of iron, and one of the most commonly occurring minerals in nature?