bird-of-paradise flower, large tropical herb ( Strelitzia reginae ) of the family Musaceae (banana family), native to S Africa. Its large blue and orange blossom resembles an exotic bird; it is cultivated as an ornamental in warmer regions and as a greenhouse plant, and is sold as a florists' cut flower. It is grown commercially chiefly in California and Hawaii. The bird-of-paradise is classified in the division Magnoliophyta, class Liliopsida, order Zingiberales, family Musaceae.
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