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The poinsettia is most often seen as a potted plant at Christmas time.  But in my yard they grow taller than the house.  There are many varieties of poinsettia which are reproduced by cloning.  Poinsettia clones easily from small cuttings.  both of these poinsettias were started that way.

This is a closer view of a white (actually cream colored) poinsettia. The green flowers are bunched in the center. The colored bracts, modified leaves, are often mistaken for petals.

This is a closer look at the flowers.  Each lumpy green flower has a large yellow gland on its side.  At the top, a fly is polinating a poinsettia flower.

This is a "double" red poinsettia.  Notice that it has many more red bracts than a "single".  There are small bracts attached to the individual green flowers,  These fit the definition of petals.

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