Tragopogon colchicus

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Tragopogon colchicus

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Description

Perennial. Root thick, cylindrical, but not tuberous; root collar densely covered with fibres. Stems 20-30 cm high, numerous, erect. Basal leaves numerous, narrowly linear, slightly narrowed toward base, much shorter than peduncles, up to 20 cm long, 1-1.5 mm wide; upper cauline leaves semiamplexicaul, filiform-acuminate; upper leaves 4-5 cm long. Peduncles exceeding leaves, erect, not thickened below capitula. Capitula medium, 2-3 cm long, tomentose at base; involucral bracts seven or eight, lanceolate, finely acuminate, expanded at base to 0.5 cm, 2-2.5 cm long; florets yellow or orange-yellow, two times as long as involucre. Achenes with pappus about 2 cm long, without pappus about 1 cm long, 1 mm wide, smooth, obtusely sulcate, not scabrous, almost without beak; pappus about 0.9 cm long, white or grayish white.

from: Bobrov, E. G. and Tzvelev, N. N. (ed.) 2000: Flora of the USSR XXIX, Compositae, Tribe Cichorieae. – Enfield.

Distribution

Asia-Temperate: Transcaucasus (AbkhaziyanativeA, Adzhariyanative, GeorgianativeA,B,C,D,E)

Bibliography

A. Tahtadžjan, A. L., Konspekt flory Kavkaza / Conspectus Florae Caucasi 3(1), 2008
B. Gagnidze, R., Flora Gruzii, ed. 2, 14. 2003
C. Grossgejm, A. A., Flora kavkaza 4. 1934
D. Kechoveli, N. N., Flora Gruzii 8. 1952
E. Komarov, Fl. URSS 29. 1964