Matricaria
Annual herbs, glabrous or pubescent. Leaves cauline, alternate, pinnatisect. Capitula radiate or discoid, solitary or in corymbs, pedunculate; involucral bracts 2-seriate, subequal, herbaceous with scarious margins; receptacle conical to subulate, naked, pitted, hollow. Ray florets female, ligulate, white, often absent. Disc florets bisexual, tubular; corolla 4- or 5-lobed, yellow; anthers obtuse at base, with an ovate apical appendage; style with broad-linear, truncate branches, apices papillose. Cypselas asymmetric, slightly compressed, 5-ribbed, 2 apical resin glands often present, glabrous; pappus a small scarious crown, an auricle on adaxial side or absent.
7 species, from Europe, western Asia, northern Africa and North America; 2 species naturalised in Australia.
Jeanes, J.A. (1999). Asteraceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 652–666. Inkata Press, Melbourne.
Spinning
