This is a vintage botanical illustration of a night-blooming cereus flower. The flower is the focal point, depicted in full bloom with delicate, white petals radiating from a central, greenish-yellow core. Surrounding the petals are numerous, elongated, orange-brown sepals or bracts that create a starburst effect. The flower appears to be growing from a cactus, with segments of the plant visible beneath the bloom. The background is a dark, moody night scene. A gothic-style building with a clock tower is partially visible on the left side, suggesting a garden or estate setting. A full moon shines brightly in the sky, casting a soft glow on the scene. The flower and cactus are reflected in a body of water, creating a sense of depth and tranquility. The overall style is detailed and realistic, with a focus on capturing the beauty and fragility of the flower.