Jurinea Cass.

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 : 218

116. Jurinea Cass. 1

Perennial herbs, sometimes woody at base. Leaves simple, entire or pinnatifid. Capitula solitary or in a corymbose inflorescence. Involucral bracts linear to lanceolate, straight to recurved, appressed to lax. Receptacular scales numerous. Florets tubular, hermaphrodite, pink, red or purplish. Anthers caudate, with free filaments. Stigma-lobes short, patent, hairy at the base. Achene usually with a distal membranous corona around base of pappus; pappus-hairs in several rows, unequal, simple, scabrid.

1 Stems absent or not more than 4 cm

2 Capitula obconical; involucral bracts recurved or patent

15. humilis 2 Capitula globose; involucral bracts appressed

3 Leaves entire 17. fontqueri 3 Leaves pinnatifid 16. taygetea 1 Stems more than 5 cm

4 Capitula cylindrical to obconical, longer than wide

5 Involucral bracts not appressed 6. albicaulis 5 Involucral bracts appressed

6 Basal leaves pinnatifid to pinnatisect

7 Inner involucral bracts much shorter than florets

4. pinnata 7 Inner involucral bracts longer than florets 5. tanaitica 6 Basal leaves entire

8 Capitula 27-30 mm 2. stoechadifolia 8 Capitula 5-20 mm

9 Involucral bracts pink or reddish-purple distally

1. linearifolia 9 Involucral bracts white or pale green distally

3. tzar-ferdinandii 4 Capitula globose or hemispherical, not longer than wide

10 Involucral bracts appressed or lax but not recurved or patent

11 Stems woody at base; leaves entire, oblong-lanceolate to spathulate 7. kirghisorum 11 Stems not woody; leaves pinnatifid or at least some entire and linear to lanceolate

12 Achenes tuberculate, ribbed or acutely verrucose, often glandular-hairy 13. consanguinea 12 Achenes longitudinally ribbed, otherwise smooth

13 Achenes 3-4 mm, with entire distal corona; basal leaves green above 8. cyanoides 13 Achenes 6-7 mm, with distal corona represented by small teeth; basal leaves grey or white above 6. albicaulis 10 Involucral bracts recurved or straight and patent

14 Achenes tuberculate, especially on angles, sometimes faintly ribbed

15 Capitula 4-5-7-5 cm; cauline leaves not decurrent, or absent 14. glycacantha 15 Capitula 2-4 cm; cauline leaves long-decurrent

12. ledebourii 14 Achenes ribbed or longitudinally rugose, not tuberculate

16 Involucral bracts lanceolate to elliptic-lanceolate; leaves not auriculate, the basal with segments more than

3 mm wide 10. mollis 16 Involucral bracts linear to cuneate; leaves auriculate, the basal with segments less than 3 mm wide

17 Capitula l-4(-5), 1-3 cm in diameter; achenes 5-6 mm

9. ewersmanii 17 Capitula 5-many, up to 1-5(—2) cm in diameter; achenes

1-2 mm 11. polyclonos