Phil. wrote:
On Sep 6, 9:17 pm, Rob wrote:
Which flower variety or varieties, would you most want to (seriously
or humorously) send to someone, who a loved spouse or partner of ours,
has left you to be with and please say why, for any flower variety
mentioned.

Deadly nightshade: symbol of deception & death!

None of them mention hate or death wishes.
But here is another site, you may be luckier
http://www.flowersonly.com/ezshopper/flomean.htm
Traditional Flower Meanings



Flower Meaning of Flower
Aster Talisman of love
Begonia A fanciful nature
Carnation - red Admiration
Carnation - white Pure and ardent love
Chrysanthemum - red I love you
Chrysanthemum - white Truth
Daffodil Regard
Daisy Innocence, gentleness
Forget-me-not True love
Globe amaranth Unfading love
Hibiscus Delicate beauty
Jasmine - white Amiability
Jasmine - yellow Modesty
Larkspur An open heart
Pansy Thoughtful recollection
Primrose Young love
Rose - lavender Love at first site
Rose - orange Desire and fascination
Rose - peach Appreciation
Rose - pink Perfect happiness
Rose - red Love and desire
Rose - white Charm and innocence
Rose - yellow Friendship
Roses - white and red Unity
Rosebud Beauty and youth
Tuberose Dangerous pleasure
Tulip You are the perfect lover
Verbena May you get your wish
Violet Modesty and simplicity