Rhaponticum acaule

Synonyms: Leuzea acaulis (L.) Holub, Stemmacantha acaulis (L.) Dittrich, Cynara acaulis L., Centaurea chamaerhaponticum Ball

Yellow flowers (var. ochroleucum (Maire) Jahand. & Maire) or purple flowers (var. purpureum (Emberger & Maire) Jahand. & Maire.