red trillium

definition: trillium of eastern North America having malodorous pink to purple flowers and an astringent root used in folk medicine especially to ease childbirth
example:
speech part: noun
synonyms: purple trillium
definition: trillium of northeastern United States with sessile leaves and red or purple flowers having a pungent odor
example:
speech part: noun
synonyms: sessile trillium

How red trillium is being used?