Asteraceae



Cirsium rhizocephalum C. A. MEYER
subsp. rhizocephalum C. A. MEYER
Cirsium rhizocephalum C. A. MEYER
subsp. rhizocephalum C. A. MEYER

Cirsium MILLER
Cirsium rhizocephalum C. A. MEYER subsp. rhizocephalum C. A. MEYER
Ömür: Çok yıllık
Yapı: ot
Hayat formu:
İlk çiçeklenme zamanı: 8
Son çiçeklenme zamanı: 8
Habitat: dağ merası, nemli turf, akarsu kenarı
Minimum yükseklik: 1750
Maksimum yükseklik: 3000
Endemik: -
Element: İran-Turan
Türkiye dağılımı: D. Anadolu
Genel dağılımı: Kafkasya, İran, Afganistan
Bulunduğu iller
Bulunduğu kareler: A7 A8 A9 B7 B8 B9 C5 C10

 
C. rhizocephalum C.A.Meyer, Verz. Pfl. Cauc. 70 (1831).
Dwarf perennial, usually acaulous, rarely with a wingless stem up to 15 cm. Basal leaves rosulate, sparsely arachnoid or subglabrous, elliptic to oblong, 3-18 x 1-3 cm, subentire, sinuate-lobed or pinnatilobed to pinnatipartite, margined by stout or weak l-7(-10) mm spines, tapering into a short petiole; cauline leaves (when present) sparse and pinnately lobed. Capitula 1-10, con-ferted and subsessile in centre of rosette, rarely subsolitary on a short peduncle. Involucres hemispherical, subglabrous, 15-25 mm, purplish or greenish. Phyllaries 4-6-seriate, median oblong-lanceolate, acute, scarcely vittate, shortly spinose-mucronate or tapering into a 1-4 mm spine. Corollas 18-27 mm, purple (rarely white). Achenes c. 4 mm. Pappus 11-19 mm. Fl. 8. Mountain pastures, damp turf and by streams, 1400-3000 m.
1. Leaves pinnatifid to pinnatipartite, 6-18 cm, lobes shortly lobulate and stoutly spined; capitula usually 3-10; phyllaries spiny-mucronate (spine usually less than 1 mm) subsp. rhizocephalum
1. Leaves subentire to simple sinuate-lobed to ½-way, 3-8 cm long, lobes sub-entire and pectinate-margined with slender spines; capitula usually 1-2; phyllaries tapering into a (l-)2-4 mm, often erecto-patent spine subsp. sinuatum
subsp. rhizocephalum. Syn: C. esculentum (Sievers) C.A.Meyer var caucasicum C.A.Meyer in Mem. Acad. Sci. Pétersb. sér. 6, sci. nat. 6:44(1849); C. esculentum subsp. caucasicum (C.A.Meyer) Petrak in Trudy Tiflissk. Bot. Sada 12(1):45 (1912).
Type: in alpibus caucasicis Kasbek, Tufandagh et Schachdagh, 2195-2561 m [31 vii 1830, Meyer 169] (LE!).
E. Anatolia. B7 Erzincan: Sipikör towards Jerbatan, Sint. 1890:3347! B8 Erzurum: 25 km from Erzurum to Bayburt, nr Ilica, 1750 m, Buttler 15902! B9 Van: Halanduran Da., c. 25 km from Başkale to Van, 3000 m, McNeil! 651! Ağri: between Diyadin and hot springs, 1830 m, Hewitt 293!
Caucasia, Iran, Afghanistan. Ir.-Tur. element. The type gathering has leaves with exceptionally long stout spines.