Tragopogon charadzeae

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Tragopogon charadzeae

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Description

Perennial. Root vertical, cylindrical; root collar densely covered with fibres and remnants of old leaves. Plants light green, glabrous or weakly flocculose at stem base. Stems 40-60 cm high, solitary or two, erect, simple, cylindrical, bearing single capitulum at apices of stems. Basal leaves numerous, narrowly linear, long, not exceeding peduncles; cauline leaves lanceolate, expanded at base, amplexicaul, long-acuminate. Peduncles not thickened below capitula, covered with yellowish flocculose pubescence; florets pale yellow. Involucral bracts eight, lanceolate, 2.5-2.7 cm long, at fruiting deflexed, often involute, shorter than achenes with pappus. Peripheral achenes about 4.2 cm long with pappus, straight, without pappus 2.3 cm long, body of achene about 1.8 cm long, indistinctly ribbed above, indistinctly squamose along ribs, gradually narrowed into straight, about 0.5 cm-long beak; pappus about 1.8 cm long, shorter than achene, yellowish-golden, with undulate annulus at base; inner achenes about 3.8 cm long with smooth body, weakly sulcate above, but without scales, gradually narrowed into about 0.5 cm-long beak.

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

Distribution

Asia-Temperate: North Caucasus (Severo-OsetiyanativeA); Transcaucasus (Abkhaziyanative, Adzhariyanative, GeorgianativeB,C)

Bibliography

A. Tahtadžjan, A. L., Konspekt flory Kavkaza / Conspectus Florae Caucasi 3(1), 2008
B. Kechoveli, N. N., Flora Gruzii 8. 1952
C. Komarov, Fl. URSS 29. 1964