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

2. Matricaria matricarioides (Lessing) Porter ex Britton, Mem. Torrey Bot. Club. 5: 341. 1894.

同花母菊 tong hua mu ju

Artemisia matricarioides Lessing, Linnaea 6: 210. 1831; Matricaria discoidea Candolle.

Herbs, annual. Stems 5-30 cm tall, erect or ascending, branched in upper part or from base, glabrous or sparsely pubescent below capitula. Stem leaves sessile; leaf blade oblong or oblanceolate, 2-3 × 0.8-1 cm, 2-pinnatisect; ultimate segments shortly linear, both surfaces glabrous. Capitula homogamous, irregularly corymbose or solitary at apex of branches, pedunculate; peduncle 0.5-1 cm. Involucres cup-shaped; phyllaries in 3 rows, equal, oblong, abaxially glabrous, scarious margin hyaline, apex obtuse. All florets bisexual, pale yellow-green, tubular, 5-lobed. Achenes oblong, somewhat curved, ca. 1.5 mm, apex obliquely truncate, with 2 or 3 adaxial thin white ribs and 1 red thin stripe on each side. Pappus represented by a white corona. Fl. and fr. Jul. 2n = 18.

Forests, roadsides, near houses. Jilin (Baicheng, Hunchun), Liaoning, Nei Mongol [Bhutan, Japan, Kazakhstan, Korea, Russia; N Asia, Europe, North America].


 

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