蒙古马兰 meng gu ma lan

Aster associatus Kitagawa; A. associatus var. stenolobus Kitagawa; A. lautureanus (Debeaux) Franchet var. holophyllus (Maximowicz) F. H. Chen; A. lautureanus var. mongolicus (Franchet) Kitagawa; Asteromoea mongolica (Franchet) Kitamura; Kalimeris associata (Kitagawa) Kitagawa; K. incisa (Fischer) Candolle var. holophylla Maximowicz; K. mongolica (Franchet) Kitamura.

Herbs, perennial, 50-122 cm tall. Stems erect, sulcate upward, strigose, branched in upper part. Leaves submembranous; lowermost cauline leaves withered by anthesis; lower and middle leaves: blade oblanceolate to narrowly oblong, 5-9 × 2-4 cm, sparsely hispidulous or glabrate, margin pinnatifid, densely hispidulous; lobes linear-oblong, margin entire, apex obtuse; uppermost leaves linear-lanceolate, 1-2 cm. Capitula 12-45 in corymbiform synflorescences, 2.5-3.5 cm in diam. Involucre hemispheric, 1-1.5 cm in diam.; phyllaries 3- or 4-seriate, unequal, apically green, elliptic to obovate, 5-7 × 3-4 mm, glabrous, margin scarious, white or purplish, lacerate, apex obtuse. Ray florets (11-)14-25, bluish purple, bluish, or white, tube ca. 2 mm, lamina 13.5-25.5 × 2.7-4.8(-5.2) mm; disk florets yellow, 3.5-4.9 mm, tube 0.8-1.6(-1.8) mm, lobes unequal, 0.8-2.1 mm. Achenes straw-colored or brownish, obovoid, compressed or sometimes trigonous, ca. 3.5 × 2.5 mm, sparsely strigillose, rarely apically glandular, yellowish 2- or 3-ribbed. Pappus brownish, unequal, 0.3-1.2 mm. Fl. and fr. Jun-Oct.

Mountain slopes, thickets, semi-open secondary forests, margins of coniferous forests, mixed broad-leaved forests, field margins; sea level to 1300 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol [Korea, E Russia].