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Diffuse, sprawling annual, up to 300 mm tall, branching from below. Leaves mostly in lower half, alternate, bipinnatisect, lobes linear. Flowerheads disciform or obscurely radiate, solitary on long, naked peduncles that become inflated above in fruit, tawny-haired when young; involucral bracts. In 2 rows, 1-nerved, glabrous; outer female florets with reduced corolla or corolla shorter than involucral bracts; disc florets bisexual, yellow or orange. Cypselas oblong-obovate.
Diffuse, sprawling, annual herb, branching from below, up to 300 mm high, softly and patently villous. Leaves alternate, petiolate, bipinnatisect, lobes linear. Capitula discoid, solitary on long, naked peduncles, inflated above in fruit, tawny-haired when young; involucral bracts in 2 rows, 1-nerved, glabrous. Disc florets tubular below, widening upwards, 4-lobed, yellow or orange. Flowering time Nov., Dec. Pappus absent. Cypselae oblong-obovate.
Annual herb, up to 300 mm tall. Leaves bipinnatisect; plants softly and patently villous. Heads terminal, solitary on long peduncles; peduncles below head broadened, hollow-especially conspicuous in fruiting heads. Involucral bracts 1-nerved. Flowers yellow.
Diffuse, sprawling annual branching from below, to 20 cm. Leaves tripinnatisect, lobes linear. Flower heads disciform or obscurely radiate, solitary on long, naked peduncles inflated above in fruit, tawny-haired when young, yellow or orange, bracts 1-nerved.
