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

8. Chondrilla rouillieri Karelin & Kirilov, Bull. Soc. Imp. Naturalistes Moscou. 14: 456. 1841.

基叶粉苞菊 ji ye fen bao ju

Herbs 40-90 cm tall, perennial. Stem erect, branched particularly higher up or more rarely from base, basally usually arachnoid hairy and with sparse rigid hairs or more rarely glabrous; branches slender, virgate, glabrous or sometimes apically sparsely arachnoid hairy. Lower stem leaves narrowly elliptic to narrowly lanceolate, 4-6 × 0.3-0.6 cm, early deciduous, with bristles on margin and abaxially on midvein, margin remotely dentate. Middle and upper stem leaves linear to almost filiform, 0.5-5 × 0.1-0.4(-0.6) cm, glabrous, margin entire. Capitula with 9-11 florets. Involucre 1-1.3 cm, densely arachnoid hairy. Phyllaries grayish green to light green; outer phyllaries triangular-ovate, longest ca. 2 mm; inner phyllaries 8, sometimes with a few bristles on midvein. Achene body 3.5-4(-5) mm, with corona scales narrowly triangular and undivided, below corona with few rows of short and wide scales; beak 1.2-2.3 mm, with fine articulation at its base near upper edge of corona. Pappus 6-7 mm. Fl. and fr. Jun-Sep. 2n = 15.

Gravelly areas in river valleys, sandy soil, forests; 700-900 m. Xinjiang [Kazakhstan, SC Russia].


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