turfing daisy n low densely tufted perennial herb of Turkey having small white flowers; used as a ground cover in dry places; sometimes included in genus Matricaria n mat-forming perennial herb of Asia Minor; sometimes included in genus Matricaria Synonym(s) Tripleurospermum tchihatchewii Matricaria tchihatchewii Tripleurospermum oreades tchihatchewii Matricaria oreades