Scorzonera ketzkhovelii

Scorzonera ketzkhovelii

Purrık

Perennial herb. Rootstock thick, cylindrical. Stems numerous, erect, striate, 25-45 cm tall, 5-8 mm in diameter below; divaricately branched in upper part, leafy up to inflorescence; whole plant very densely canescent-pannose, except capitula. Basal leaves longpetiolate, broadly ovate to elliptic-lanceolate, 15-25 × 3-6 cm, obtuse, with many veins, entire, not undulate; lower cauline leaves ovate-elliptic to oblonglanceolate, short-petiolate; median and upper sessile, ovate-elliptic to lanceolate, subacute, gradually reduced towards apex of stem. Capitula 2-6 per stem, homogamous, ligulate, solitary in the end of the branches, peduncles sparsely to densely canescentpannose. Involucres rather large, 16-20 × 8-13 mm; all phyllaries almost glabrous and membranous along margin; outer ones broadly ovate to suborbicular, 5-7 × 4-6 mm, acuminate; inner ones oblong-lanceolate, 16-20 × 3.5-5 mm, acuminate. Corolla yellow, longer than involucre, 13-18 × 2.5-3.5 mm, ligules 5 toothed, lobes 0.5-1 mm long; style branches filiform, 8-10 mm long, densely papillose, obtuse; anthers oblong-linear, c. 6 mm long, sagittate at base. Achenes completely glabrous, 11-13 long and c. 1 mm wide, slightly obpyramidal, tetraquetrous, straw-coloured, ridges obtuse; pappus 16-19 mm, pale brownish to dirty white, pappus hairs barbellate and plumose below, barbellate above. Fl. 7-8, Fr. 8-9, stony slopes and rock crevices, 2050 m.

Georgia

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