Cornus+florida

= =  = =  =The cornus flordi  a  =

Historical background :

 * Jonh H. Schaffner started the study of the Cornus florida (the flowering dogwood) and he collected the first material on September 26,1905.

=== The medicinal use of the Cornus florida: ===

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The dogwood bark is used for a liniment for ague, it's good to treat malaria, fever, pneumonia, and the common cold. It helps relieve diarrhea. It is a good treatment for ulcers and sores. The twigs could be used as chewing stick or toothpicks.=====

How to detect it:
==== red  pink  white
 * The Cornus florida is a deciduous tree that grows around 10 m (30 ft) high, often wider than it is tall when the tree is mature, with a trunk diameter of up to 30 cm (1 ft).
 * The flowers are small and inconspicuous, what you think are the petals are actually bracts which are modified leafs. The flowers are the small cluster you see in the middle, they are yellowish-green. [[image:http://tbn1.google.com/images?q=tbn:U8lJc-74B7vy-M:http://upload.wikimedia.org/wikipedia/commons/e/e0/Dogwood_flower_closeup_20080427_141400_1_crop_sharp.png width="132" height="132" link="http://images.google.com/imgres?imgurl=http://upload.wikimedia.org/wikipedia/commons/e/e0/Dogwood_flower_closeup_20080427_141400_1_crop_sharp.png&imgrefurl=http://commons.wikimedia.org/wiki/File:Dogwood_flower_closeup_20080427_141400_1_crop_sharp.png&usg=__lO9vusjHzP2eLLQ6mStajFIgBxU=&h=525&w=525&sz=405&hl=en&start=8&tbnid=U8lJc-74B7vy-M:&tbnh=132&tbnw=132&prev=/images%3Fq%3Dflowering%2Bdogwood%2Bflower%26gbv%3D2%26hl%3Den"]]
 * The bracts are in a shape of a cross and the come in different colors such as white, pink, and even red.

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