Luminopsis Petalum, from Latin 'lumen' (light) and 'petalum' (petals), is a rare stable bioluminescent flowering plant native to tropical rainforest canopies. Part of the Nereid Petalus cluster, it stands 30-50 cm tall with a lightweight 5-25 g structure exhibiting light-responsive swaying. It has large, translucent petals with undulating margins, pale blue coloration, and orange pollen spots. The central stamen and pistil cluster is warm orange, contrasting with the cooler petals. Bioluminescence (420-490 nm) arises from photoproteins in the petal epidermis. Adapted to 15-30°C, it thrives on mid-canopy branches in humid, filtered sunlight. Belonging to a genus with five related species, its glow attracts nocturnal moths and glow-worm flies. Swaying mimics canopy movement, enhancing pollinator attraction and reproductive success.