Definition: "Prairie trillium" is a noun that refers to a type of flower found mainly in the central United States. It has beautiful dark purple flowers that grow directly from the ground without a stem (this is called "sessile").
In more advanced contexts, you might discuss the prairie trillium in relation to its ecosystem, such as its role in local wildlife or its adaptation to certain environments.
While "prairie trillium" specifically refers to this type of flower, "trillium" alone can refer to other species within the same genus that may have different colors and habitats.
There are no common idioms or phrasal verbs that specifically include "prairie trillium." However, you might hear phrases like "stop and smell the flowers," which encourages people to appreciate nature, including flowers like the prairie trillium.
The "prairie trillium" is a beautiful flower that represents a part of the natural heritage in the central United States.