Simple:
* The poppy field was a blaze of red.
* She wore a dress with a poppy print.
* The poppy seeds were scattered on the bread.
Figurative:
* The poppy of her dress was a splash of color against the drab background.
* He was lost in the poppy fields of his own memories.
Descriptive:
* The fragile poppy petals trembled in the breeze.
* The poppies were a symbol of remembrance for those lost in war.
* The poppy seeds, small and black, held the potential for a vibrant bloom.
Formal:
* The poppy plant is known for its medicinal properties.
* The poppy species is highly diverse, with many variations in color and size.
Humorous:
* I accidentally ate a poppy seed bagel and felt like I was flying all day.
* He was so excited to see the poppies he tripped and fell face-first into the field.
Remember, the best way to use "poppy" in a sentence depends on the context and the message you want to convey.