Physoplexis comosa, the tufted horned rampion is a species of flowering plant in the family Campanulaceae, native to alpine Europe. It is the only species in its genus, and was formerly included in Phyteuma.
It is an herbaceous perennial growing to tall by wide, with glossy toothed narrow oval leaves, and dense umbels of necked, pale mauve flowers with prominent purple tips (tufts) in summer. It is found in the Alps at altitudes of to .
The specific epithetcomosa means "tufted".
In cultivation it is suitable for the rockery or alpine garden, and has gained the Royal Horticultural Society's Award of Garden Merit.