Botanical name: Calendula arvensis Family: Asteraceae (Sunflower family)
Synonyms: Calendula aegyptiaca, Calendula amplexifolia
Field Marigold is an annual herb 5-40 cm high; glandular-velvet-hairy, often sticky; stems branched, robust, erect to rising up. Leaves are stalkless, narrowly obovate, lanceshaped to oblong, stem-clasping at the base, pointed to blunt, entire or minutely finely toothed, 2-6 cm long, 0.3-1.8 cm wide, pale-green, velvet-hairy to almost scabrous. Flower-cluster-stalks are leafy, with solitary flower-heads. Involucral bracts are in 2 series, 4-8 mm long, pointed to tapering, velvet-hairy,outer ones often larger. Ray florets are 18-30, 2- or 3-seriate; ligules linear, 3-toothed at the tip, 7-10 mm long, yellow; disk florets numerous, yellow. Fruiting head is up to 2 cm in diameter; achenes of outer series about 1.5 cm long, prominently beaked, spiny on their back, sometimes with inflated wings; inner achenes more strongly curved, smaller, rugose to muricate. Field Marigold is native to Macaronesia, Europe to Mediterranean and W Himalaya, Arabian Peninsula.
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The flower labeled Field Marigold is ...