The Flower

There are flowers in red, blue and white.
And in purple, as if such could bite.
There was never a flower in black,
even though any flower must lack.

Why are wildflowers better than men?
And why do they not rule the earth, when?

NOTE :

This poem is referred to on the blog hop of dVerse
| here |.
The prompt calls for a "quadrille", which it says is a poem of 44 words of length.