Bioluminosa Radianthera, from Latin 'bioluminosa' (life light) and 'radianthera' (radiant flower), is a delicate understory herbaceous species in the Ethereal Petalachordata cluster of 10 species. It grows 10-30 cm tall with a slender, ridged stem and complex inflorescences of translucent, loosely whorled petals. Petals have undulating margins with minute bioluminescent glands emitting bluish-green light (420-490 nm) and contrasting orange-red speckles. Bioluminescence, likely luciferase-mediated, aids nocturnal visibility. Foliage displays subtle venation and faint purplish hue. Native to tropical rainforest understories, it thrives at 10-25°C, moderate humidity, shaded nutrient-rich soils with gentle airflow. Ecologically, it attracts nocturnal pollinators (moths, bioluminescent beetles), using glow for adaptive pollination. Taxonomically in a unique family within Ethereal Petalachordata, highlighting bioluminescent evolution. Vulnerable status emphasizes habitat preservation for survival and pollination networks.