Stemless Hymenoxys, also known as "stemless bitterweed", is a plant species commonly found in the southern United States and Mexico. This vibrant yellow daisy-like flower is a relative of the sunflower, and is often used in traditional medicine for its anti-inflammatory and analgesic properties. Synonyms for Stemless Hymenoxys include "bitterweed", "hymenoxys acaulis", and "yellow bitterweed". Other names for this plant may also include "false daisy", "rayless goldenrod", and "tansyaster". While it may not have an extensive list of synonyms, the Stemless Hymenoxys is a valuable addition to any garden or medicinal herb collection.