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DescriptionErect annual herb, up to 60 cm tall. Leaves opposite along the stems, subsessile, narrowly oblong-ovate, up to c. 4 cm long, 3-veined from the base, roughly hairy and glandular on both surfaces; margin entire. Capitula terminal, solitary, up to 4 cm in diameter; peduncle 2-7 cm long, gradually thickening towards the top. Disk florets yellow surrounded by a conspicuous whorl of spreading, broadly rounded orange-red ray-florets.