Centaurea attica, Nyman

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 275

102. C. attica Nyman , Syll. 33 (1854-1855)

( C. graeca sensu Boiss. & Spruner , non Griseb., C. boissieri Walpers , non DC.).

Perennial. Stems 5-30 cm, erect or ascending, usually branched below the middle. Leaves usually more or less whitish-tomentose, rarely glabrescent; lower l (-2)-pinnatisect, the segments 1 mm wide or more; upper undivided. Capitula solitary. Involucre 10-16 x 5-10 mm; bracts with 3 veins; appendages with a long apical spine, sometimes auriculate. Florets pink or purple. Pappus i as long to as long as achene. Mountain rocks. • N. & E. Greece. Gr.

1 Involucral appendages without auricles

2 Pappus c. i as long as achene; leaf-segments oblong-lanceolate

(e) subsp. drakiensis 2 Pappus c. i as long as achene; leaf-segments narrowly lanceolate (f) subsp. pentelica 1 Involucral appendages auriculate

3 Involucral appendages with recurved apical spine 2-3 mm

(a) subsp. ossaea 3 Involucralappendages witherect topatent apicalspineupto

7 mm

4 Pappusaboutaslongasachene;involucralappendages covering bracts (b) subsp. asperula 4 Pappusc. I aslongas achene;involucralappendagesnot covering bracts

5 Leaf-segments linear; involucral appendages with apical spine 2-3(-6) mm (c) subsp. attica 5 Leaf-segments ovate-lanceolate; involucral appendages with apical spine 3-5(-7) mm (d) subsp. megarensis