Glass-blooms are a type of flowering plant found only in the Untamable Lands of Ruadmun. After growing to roughly three feet tall the plants sprout flowers, usually bright blue or purple, that track the sun in the sky. If allowed to rest undisturbed, after two months these flowers begin to vitrify, their petals turning into extremely fragile pieces of translucent glass. Given enough time this transformation will spread to the entire plant as well.
Every species of glass-blooms are exceptionally rare, something that only adds to their perceived value to treasure-seekers, as they are widely sought by wealthy collectors throughout the Three Great Seas. Though many have attempted, none have yet been successful in cultivating glass-blooms.
One variety of glass-bloom, sometimes referred to as a glass-gloom, is thought to grow in the Depths - this black-flowered species is known only from two samples, each several hundred years old, one of which is often believed by expert botanists to be a fake.