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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Scorzonera

4. Scorzonera parviflora Jacquin, Fl. Austriac. 4: 3. 1776.

光鸦葱 guang ya cong

Scorzonera caricifolia Pallas; S. halophila Fischer & C. A. Meyer ex Candolle.

Herbs 10-60 cm tall, perennial, rosulate, entirely glabrous. Rootstock creeping, ca. 1.5 cm in diam., usually branched. Caudex with or without scarious leaf sheath residues. Stems solitary or few, ascending to erect, unbranched or rarely sparsely branched. Rosette leaves lanceolate or narrowly elliptic to linear, 7-20 × 0.2-1.5 cm, often somewhat fleshy, base attenuate, apex acute to acuminate. Stem leaves few, smaller than rosette leaves, narrowly lanceolate. Capitulum solitary, rarely 2 or 3 per stem and distant. Involucre cylindric, usually 1.5-1.8 × 0.5-0.8 cm at anthesis, to 2.5-3 × 1-1.3(-1.5) cm in fruit. Phyllaries abaxially glabrous, apex acute to subobtuse; outermost phyllaries ovate to triangular-ovate. Florets yellow, slightly longer than involucre. Achene yellowish, cylindric, 7-9 mm, with smooth elevated ribs, glabrous. Pappus dirty white, 1.5-1.8 cm. Fl. and fr. Jun-Sep. 2n = 14.

Wet subsaline meadows, riverbanks, at springs; 900-1700 m. Xinjiang [Afghanistan, Kazakhstan, Kyrgyzstan, Mongolia, Russia (C, E, and S European parts), Turkmenistan, Uzbekistan; SW Asia, C and S Europe].


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