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

1. Tripolium pannonicum (Jacquin) Dobroczajeva in Visjulina, Fl. URSR. 11: 63. 1962.

碱菀 jian wan

Aster pannonicus Jacquin, Hort. Bot. Vindob. 1: 3. 1770; A. macrolophus H. Léveillé & Vaniot; A. maritimus Lamarck; A. palustris Lamarck; A. papposissimus H. Léveillé; A. salinus Schrader; A. tripolium Linnaeus; A. tripolium subsp. pannonicus (Jacquin) Soó; Tripolium pannonicum subsp. maritimum Holub, nom. illeg. superfl.; T. pannonicum subsp. tripolium (Linnaeus) Greuter; T. vulgare Nees, nom. illeg. superfl.

Herbs, annual. Stems hollow, striate, erect, 25-50(-80) cm tall, solitary or several and caespitose, branched sometimes from base, sometimes only above, branches often spreading, glabrous. Leaves fleshy, glabrous, basal withered at anthesis; lower cauline linear or oblong-lanceolate, 5-10 × 0.3-1.2 cm, margin entire or slightly crenulate, apex acute; mid sessile, narrowed; upper reduced. Capitula numerous, in paniculate-corymbiform synflorescences, long pedunculate. Involucre 4-7 mm in diam.; phyllaries green, glabrous, margin often purplish, outer ovate to lanceolate, 2.5-5 mm, apex obtuse to acute, inner narrowly oblong, 7-8 mm. Ray florets 13-25, lamina 10-12 × 1-2 mm, glabrous; disk florets 19-22, 8-9 mm, lobes lanceolate, 1.5-2 mm, glabrous. Achenes compressed, 2.5-3 mm. Fl. and fr. Aug-Dec.

Salt marshes, salt marsh meadows, moist meadows, open sandy areas, littoral areas, riversides; sea level to 2500 m. Gansu, Hebei, Heilongjiang, Hunan, Jiangsu, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Zhejiang [Japan, Kazakhstan, Korea, Kyrgyzstan, Mongolia, Russia (Far East, Siberia), Tajikistan, Turkmenistan, Uzbekistan; N Africa, SW Asia, Europe].


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