This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Color, a deep satiny yellow. Flowers, 1 inch across. The petals, 5, 6, or 7, are round and open widely. Sepals, turn back. Leaves, mostly from the root, 3-divided, on long petioles. The terminal lobe has a stalk; the two side divisions are sessile, all much cleft and toothed. Stem-leaves small, somewhat cut. Stem, erect, 6 to 18 inches high, hairy, expanding at the base into a bulbous shape. May to July.
Very common and abundant in fields, growing with the daisy, and associated with it in bouquets. This is the buttercup to most people. It is a weed, imported from Europe, and troublesome to farmers.
 
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