| Asteraceae |
|---|
Cousinia boissieri BUHSE |
 Cousinia boissieri BUHSE |
Cousinia CASS. |
| C. boissieri Buhse in Nouv. Mem. Soc. Nat. Mosc. 12(18): 127 (1860). Syn: C. layardi Ball & Barbey, Lausanne (1890), cum t.; Arctium boissieri (Buhse) O.Kuntze, Rev. Gen. PL 1:307 (1891)! Ic: Rech., Fl. Iranica 90: t. 86 (1972). Map 34, p. 341. Biennial or perennial, 30-90 cm. Stems erect, glabrous, ivory-white, many-branched, not winged, forming a broad, 15-25-headed panicle. Basal leaves 4-6, rosetted, coriaceous, densely veined, loosely arachnoid-woolly and soon glabres-cent above, white-tomentose below, obovate to suborbicular, 6-14x4-10 cm, shortly or indistinctly petiolate, with short lobes, densely spiny-dentate; stem leaves abruptly smaller and bract-like, lower ones broadly lanceolate to orbicular, auriculate, upper ones small with very long spines. Capitula 25-60-flowered. Involucre broadly ovoid to globose, 1.5-2.5 cm broad incl. spines; phyllaries 40-60, soon glabrescent and becoming bright green, oblong to lanceolate, suddenly constricted into a glabrous 3-6 mm yellow spine; lower phyllaries with reflexed, median and upper ones with spreading or erect spine. Bristles of receptacle finely denticulate above. Flowers yellow, sometimes red-suffused, 12-15 mm. Achenes obovate to obpyramidal, brown, 4-5 x 2-2.5 mm, with white, undulate longitudinal ribs, shortly obtusely denticulate at apex. Fl. 7-8. Dry stony slopes, steppe, 1200-2150 m. Type: [N.W. Iran] in montosis apricis prope Tabris prov. Aderbidjan Persiae, 25 vii 1847, Buhse 646 (holo. G!). S.E. Anatolia. B9 Van: 5 km S. of Van, D. 22601 î Gevaş to Van, between Edremit and Van, 1710 m, Hub.-Mor. 11174! 2 km S. of Hoşap, 2150 m, McNeill 666! W. & N.W. Iran, N. Iraq. Ir.-Tur. element. |