Anthemis

Annual or perennial herbs, often with unpleasant smell, hairy or glabrous. Leaves alternate, incise-dentate, pinnatifid or pinnatisect. Capitula radiate, medium to large, usually solitary and pedunculate, terminal, rarely laxly corymbose. Involucre hemispherical, bracts in several rows, outer shorter than inner, margins scarious. Receptacle flat to convex, finally conical or oblong, paleate, paleae scarious and oblong or subulate, truncate to acute to acuminate. Rayflorets female, fertile or neuter; corolla white or rarely yellow, strap-shaped. Discflorets bisexual, yellow; tube +/- compressed, sometimes 2-winged, sometimes investing top of ovary, usually dilated above, 5-toothed. Anthers ecalcarate and ecaudate, with ovate apical appendage. Style branches linear, truncate, penicillate. Cypselas oblong, turbinate, 4- or 5-angled, 8-10-ribbed or multistriate. Pappus 0, or sometimes of minute scales or minutely coroniform. x = 9 (7, 8) (aneuploids, polyploidy).