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.
Family, Composite. Color, pale yellow. Leaves, opposite, sessile, their bases sometimes meeting and joining around the stem, coarsely toothed. Flowers, in large heads, on peduncles terminating the simple flower-stem. Rays present, 6 to 9, 1 inch long. Underneath the flower-heads, 4 broad, involucral bracts unite and make a 4-angled cup around the flower. A second row within is composed of small, chaffy scales. May and June.
Virginia, southward.
 
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