fluorescent, florescent

Fluorescent or fluorescent describes the production of light by passing electricity through gas in a tube, or the radiation of light when exposed to radiation, such as the sun or x-rays--
Fluorescent light may make it easier to work in here; it's too dark.
Some people think that fluorescent light makes them nervous.
Will this be fluorescent under an ultra-violet light?

Florescent or florescent ( rhymes with fluorescent ) describes a state of flowering or blooming--
This shrub is florescent only when a companion shrub is nearby.
This plant, when florescent, attracts bees.

Now that you know that, you can say--
"His poem compares the bright fluorescent clouds to the florescent apple trees ."