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long; growing singly on ends of footstalks, the
flowers set among stiffly pointed, slender scales. Calyx
cup-shaped, 4-toothed. Corolla 4-lobed; stamens 4; leaves of
involucre, slender, bristled, curved upward as high as
flower-head or beyond. Stems: 3 to 6 ft. high, stout, branched,
leafy, with numerous short prickles. Leaves: Opposite,
lance-shaped, seated on stem, with bristles along the stout
midrib.
Preferred Habitat - Roadsides and waste places.
Flowering Season - July-September.
Distribution - Maine to Virginia, westward to Ontario and the
Mississippi. Europe and Asia.
Manufacturers find that no invention can equal the natural teasel
head for raising a nap on woolen cloth, because it breaks at any
serious obstruction, whereas a metal substitute, in such a case,
tears the material. Accordingly, the plant is largely cultivated
in the west of England, and quantities that have been imported
from France and Germany may be seen in wagons on the way to the
factories in any of the woolen-trade towns.


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