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.
L. scaribsa - Color, purple. This differs from the last but little, being of a variable type. Leaves, stiff, narrow, the lowest slightly broader, petioled, the upper growing smaller until bract-like. Flowers, in round heads, under which the bristling scales of the involucre are very prominent, their tips sometimes purplish. 2 to 5 feet high, with same range as the preceding. Late summer.
Dry, sandy soil, Maine to Nebraska and southward.
 
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