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Viburnum leaf
beetle home
Guide to identifying Viburnums
Common
names
Is
it a viburnum?
Which
viburnum?
Express key
ID
tutorial
Guide to viburnums by David Swaciak.
Leaf drawings by
Marcia Eames-Sheavly.
Logo
images by Paul Weston & Craig Cramer
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Carefully make
a long tapered cut in the twig.
Tip: Chambered pith is just what it sounds like. Small partitions divide the center of the stem into little chambers. See this sketch or photograph.
If you chose 6A1 above, your plant is most likely a forsythia (Forsythia sp.) or honeysuckle (Lonicera sp.). Most forsythia have chambered or hollow pith (though the pith is solid at the nodes) and some honeysuckles have hollow pith.
More information and pictures about
Forsythia x intermedia: Cornell | UConn
More information and pictures about
Lonicera tatarica: Cornell | UConn
Search Cornell or UConn for information
on other Forsythia or Lonicera species.
© Copyright, Department of Horticulture, Cornell University.
Project coordinator: Lori Brewer, ljb7@cornell.edu
Website design: Craig Cramer cdc25@cornell.edu
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