Family Cornaceae: The Dogwood
Family
Alex Stalboerger
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7 Genera within 2 Subfamilies
110 Species
Mostly trees and shrubs
Can be deciduous or
evergreen
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Leaves are opposite, alternate, simple
Four or five-parted flowers
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Clustered within pseudanthia
Pseudanthia = several flowers grouped together to form a flower-like
structer (i.e. Sunflower)
http://androsace.com/data/large/North%20America/Cornaceae/Cornus%20unalaschke
nsis.jpeg
http://www.colby-sawyer.edu/environmental/herbarium/angiosperms/csericea.html
Cornus alternifolia: Pagoda Dogwood
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Small (max height approx. 25’)
Deciduous
Leaves 2-5” long &1-2.5” wide
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Simple, elliptic, acuminate tip
http://farm4.static.flickr.com/3055/2884262878_c0f64b8df6.jpg?v=0
Cornus racemosa: Gray Dogwood
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Shrub 10 to 15’ tall with an
equal spread
Deciduous
Irregular shape
Leaves 2-4” long & 1-2” wide
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Opposite, simple, elliptical,
acuminate tip
http://www.arborday.org/trees/graphics/trees/238/238_lg_1.jpg
Cornus rugosa: Round-leaved Dogwood
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Shrub 3 to 10’ tall
Deciduous
Leaves 2-6”long
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Opposite, broadly ovate,
soft and hairy below
http://www.colby-sawyer.edu/environmental/herbarium/angiosperms/crugosa.html
Cornus sericea: Red-osier Dogwood
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Shrub 6 to 10’ tall
Deciduous
Multistemmed
Leaves 2-5”long & 12.5”wide
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Ovate, rounded base,
acuminate tip
http://upload.wikimedia.org/wikipedia/commons/e/e4/Cornus_sericea_leaves_and_inflorescen
ce_2003-08-11.jpg
Sources
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http://www.hort.uconn.edu/Plants/c/corrac/corrac1.html
http://wisplants.uwsp.edu/scripts/detail.asp?SpCode=COR
RUG
Images have URL below