Botanical name: Ranunculus arvensis Family: Ranunculaceae (Buttercup family)
Synonyms: Cynomorbium heterophyllum
Corn Buttercup is a branched erect annual herb reaching up to 45 cm in height. Leaves are alternate, stalk alomost as long as blade. Lower leaves are inverted-lanceshaped, with few irregular teeth upwards. Upper leaves are 3-parted with segments again parted into linear lobes. Flowers are yellow, 7-12 mm across, sepals hairy outside, petals obovate. Seed-pods are usually 4-7, 5-6 mm long, strongly compressed, with long tubercles, beak straight or slightly curved. Corn Buttercup is a weed spread across, Europe, SW and C Asia and the Himalayas. Flowering: March-April.
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The flower labeled Corn Buttercup is ...