low budget animated film about girl and a “flower-headed” child

I am a librarian and I have customer who is looking for an animated children’s film about a evil man who attempts to send a monkey to another planet to look for a magic flower but mistakenly sends his scientist’s daughter (possible name – Rainey).  She finds and protects the flower but its not actually a flower but a flower headed boy (possible name blu) who is the son of the planets only inhabitant. The planet is a rainforest that has a a dry canyon and possible some evil monsters that look like dinosaurs.  It is possible that they characters meet when the human girl falls in the dry canyon.  She said its a low budget animated film.  Any ideas?

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