11. The ovary is sessile and included in the involucre . 12. Head involucres are campanulate to cylindric or attenuate. 13. The involucre changes from greenish-white to dull brown as the fruit matures. 14. The genus is native in southern Europe, southwest and eastern Asia, and involucre . 15. The involucres are hemispheric to bell shaped. 16. The involucre are campanulate shaped and 5 6 mm wide, composed of five flowers. 17. The flowers are held in a bowl-shaped involucre of bracts with toothed edges. 18. From the involucre bloom about 8 golden ray florets around a center of hairless disc florets. 19. The involucre of the flower head is covered by hairy scales ending with a single grooved thorn. 20. It arises in clusters from the dorsal surface of the thallus each surrounded at the base a tubular involucre .
