Bird of paradise flower - plant. Strelitzia reginae. May in summer on the terrace. The bird of paradise flower (Strelitzia reginae) is admired for its exotic flowers. The graceful, orange bracts with 2 or 3 blue petals are like a mohawk on the green leaf. In summer, the Strelitzia also on the patio, so this exotic plant there also can steal the show.