Phosphoraeum Auroraflora, named from Latin 'phosphorus' (light-bearer) and 'aurora' (dawn), is a rare bioluminescent flowering plant native to marine cave systems. It measures 10-25 cm, weighing 15-50 g, with broad, undulating petals featuring ruffled margins, forming clusters resembling open cups. Petals are pale, semi-translucent, gradient icy blue to lilac with irregular orange spots near bases and margins. Vibrant orange anthers cluster centrally on robust fleshy stems. Bioluminescence emits a blue-green spectrum (420-490 nm), likely via specialized luciferin in epidermal cells, producing a soft glow contrasting dark caves. Thriving in cold (0-15°C), low-light submerged rocky habitats with nutrient-rich waters, it belongs to Photosynthetica Luminescentia, a cluster of five species. Nocturnal luminescence attracts cryptic marine pollinators, supporting genetic diversity and cave ecosystem balance.