Kousa Dogwood

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Foliage and fruit
Plant Info
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Scientific classification
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[[{{{diversity_link}}}|Diversity]]
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Binomial name
Cornus kousa Buerger ex Miq.
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Synonyms
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The Kousa Dogwood (Cornus kousa or Benthamidia kousa), also known as the Japanese Flowering Dogwood (Template:Nihongo in Japanese), is a small deciduous tree 8-12 m tall, native to eastern Asia. Like most dogwoods, it has opposite, simple leaves, which are 4-10 cm long.

The tree is extremely showy when in flower, but the "flowers" are actually showy white bracts below the cluster of inconspicuous yellow-green flowers. The flowering is in spring, shortly after it leafs out. It has a relatively upright habit, unlike the closely related Flowering Dogwood (Cornus florida) of eastern North America, which has a sprawling habit. It also differs from that in flowering about a month later, and in having pointed (not rounded) flower bracts.

The fruit is a globose pink to red compound berry 2-3 cm diameter, though these berries tend to grow larger towards the end of the season and some berries that do not fall from the tree surpass 4 cm. It is edible, though lacking any interesting flavour.

There are two varieties:

• Cornus kousa var. kousa. Leaves 4-7 cm; flower bracts 3-5 cm. Japan.
• Cornus kousa var. chinensis. Leaves 5-10 cm; flower bracts 4-6 cm. China.

It is resistant to the dogwood anthracnose disease, caused by the fungus Discula destructiva, unlike Flowering Dogwood, which is very susceptible and commonly killed by it; for this reason, Kousa Dogwood is being widely planted as an ornamental tree in areas affected by the disease. A number of hybrids between Kousa Dogwood and Flowering Dogwood have also been selected for their disease resistance and good flower appearance.

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  Tree, at Longwood Gardens

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  Flowers

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  Fruit