"American Sycamore" "American Planetree" |
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Description:
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One of the largest
eastern hardwoods, with an enlarged base, massive, straight trunk, and
large, spreading, often crooked branches forming a broad open crown.
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Height:
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60-100'.
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Diameter:
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2-4', sometimes much
larger.
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Leaves:
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4-8" long and wide
(larger on shoots). Broadly ovate, with 3 or 5 broad short-pointed lobes;
wavy edges with scattered large teeth; 5 or 3 main veins from notched
base. Bright green above, paler beneath and becoming hairless except on
veins; turning brown in autumn. Leafstalk long, stout, covering side bud
at enlarged base.
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Bark:
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smooth, whitish and mottled;
peeling off in large thin flackes, exposing patches of brown, green, and
gray; base of large trunks dark brown, deeply furrowed into broad scaly
ridges.
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Twigs:
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greenish, slender, zigzag,
with ring scares at nodes.
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Flowers:
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tiny; greenish; in 1-2
ball-like drooping clusters; male and female clusters on separate twigs;
in spring.
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Fruit:
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1" in diameter; usually
1 brown ball hanging on long stalk, composed of many narrow nutlets with
hair tufts; maturing in autumn, separating in winter.
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Habitat:
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Wet soils of stream banks,
flood plains, and edges of lakes and swamps; dominant in mixed forests.
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Comments:
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Sycamore pioneers
on exposed upland sites such as old fields and strip mines. The wood is
uused for furniture parts, millwork, flooring, and specialty products
such as butcher blocks, as well as pulpwood, particleboard, and fiberboard.
A shade tree, sycamore grows to a larger trunk diameter then any other
nativehardwood. The present champion's trunk is about 11' in diameter;
an earlier giant's was nearly 15'. The hollow trunks of old, giant trees
were homes for chimney sifts in earlier times.
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