Herbs, annual. Stems erect, 12-55 cm tall, robust, rarely slender, simple or branched from base, branches ascending, stems and branches sparsely to moderately white villous or pubescent. Leaves: petiole 1-3.5 cm, narrowly winged, base clasping, blade ovate, elliptic, or lanceolate, surfaces sparsely to moderately strigose, margin coarsely doubly serrate or incised, villous-ciliate, base attenuate; mid cauline 3-12 × 2-4.5 cm, lyrately pinnatilobate, terminal lobe large, lateral lobes 1-or 2-paired; upper or lower often simple and gradually smaller. Capitula globose, 3-5 mm in diam., 5-26 in terminal paniculiform synflorescences; peduncles slender, to 3 cm. Phyllaries 2-seriate, unequal, oblong or oblong-lanceolate, 1-1.5 mm, membranous, margin scarious, fimbriate. Receptacle globose, apex flat. Marginal female florets many seriate, white, sometimes turning purplish, corolla narrowly cylindric, 0.4-0.5 mm, usually 2-lobed; disk florets few, ca. 0.5 mm, tube short, limb narrowly campanulate to funnelform, 4-or 5-lobed, sessile glandular. Achenes straw-colored, obovate, compressed, glabrous, sparsely glandular apically and/or basally. Pappus absent, or of disk florets sometimes with 1 or 2 bristles. Fl. and fr. year-round.
Erect or ascending, annual herb, up to 1 m high. Leaves alternate, petiolate, lyrate-pinnatifid, lobes serrate. Capitula disciform, in lax, terminal, divaricate panicles, pedunculate; involucral bracts small, membranous, margins fimbriate. Outer female florets in many rows, corolla tubular, reduced, 2-or 3-dentate, whitish yellow. Disc florets few, tubular below, campanulate above, 4-lobed, yellowish green. Flowering time Oct.-Apr. Pappus usually absent in outer female florets, of 2 delicate bristles in disc florets, soon caducous. Cypselae narrowly obovate, compressed, margins thickened.
An annual herb. It can grow 1 m tall. The leaves are thin and oval with deep lobes and teeth near the top. The leaves are 6 cm long by 4 cm wide. The leaf stalk is 3 cm long. The flowers are white and at the top.
Diffuse, softly hairy annual to 15 cm. Leaves ovate, sometimes with small lobes below, toothed. Flower heads discoid, in sparse panicles, greenish.