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The opposite, petioled leaves are quite
different from the boneset's, however, being heart-shaped at the
base, and taper-pointed, somewhat triangular, two to four inches
long, and one or two inches wide. From Massachusetts and the
Middle States even to South America and the West Indies is its
range.
WHITE ASTERS or STARWORTS
(Aster = a star) Thistle family
In dry, open woodlands, thickets, and roadsides, from August to
October, we find the dainty WHITE WOOD ASTER (A. divaricatus; A.
corymbosus of Gray) its brittle zig-zag stem two feet high or
less, branching at the top, and repeatedly forked where loose
clusters of flower-heads spread in a broad, rather flat corymb.
Only a few white rays - usually from six to nine - surround the
yellow disk, whose forets soon turn brown. Range from Canada
southward to Tennessee.
First to bloom among the white species, beginning in July, is the
UPLAND WHITE ASTER (A. ptarmicoides), which elects to grow in the
rocky or dry soil of high ground in the northern United States
westward to Colorado.


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