Annual herb, up to 1.52 m high, pubescent to glabrescent. Leaves alternate, sessile; blade linear-oblong, decreasing in size upwards, apex mucronate, base cordate-amplexicaul, margins entire or remotely denticulate. Heads shortly radiate (disciform), solitary, pedunculate, arranged in large or small spreading corymbs. Involucral bracts 4-or 5-seriate, linear, glandular, hairy. Flowers: marginal florets shortly radiate, 1-or 2-seriate; marginal and disc florets yellow; Nov.-Feb. Fruit with cypsela narrowly cylindric, ribbed, thinly hairy. Pappus of an inner row of barbellate bristles and outer row of small scales fused into a shallow corona.
Pubescent to glabrescent, annual herb, up to 1.52 m high. Leaves alternate, sessile, linear-oblong, decreasing in size upwards, base cordate-amplexicaul, margins entire or remotely denticulate. Capitula shortly radiate or disciform, solitary, pedunculate, arranged in large or small spreading corymbs; involucral bracts in 4 or 5 rows, linear-lanceolate, glandular, hairy. Ray florets female, shortly radiate, arranged in 1 or 2 rows, corolla yellow. Disc florets many, tubular, yellow. Flowering time Dec.-Apr. Pappus of inner row of barbellate bristles, outer row of small scales. Cypselae narrowly cylindric, ribbed, thinly hairy.
Annual herb, up to 1 m high. Leaves sessile, linear-oblong, decreasing in size upwards, base cordate-amplexicaul, margins entire or remotely denticulate. Heads solitary, arranged in large or small spreading corymbs. Flowers yellow.
Erect, single-stemmed, thinly woolly, foetid-smelling perennial to 1 m. Leaves lanceolate, auriculate at base, often scabrid above. Flower heads obscurely radiate, solitary at branch tips, yellow.
Erect, single-stemmed, thinly woolly perennial, up to 1 m tall. Leaves lanceolate, auriculate at base, often scabrid above. Flowerheads obscurely radiate, solitary at branch tips, yellow.