Lisianthus
The Eustoma grandiflorum, the common name Lisianthus or prairie gentian, is a flower that blooms annually. The Eustoma grandiflorum are native to warm regions of the southern United States, Mexico, Caribbean, and northern South America, which is a small genus in the gentian family, flowers have a variety of colors from pale purple, white, lavender, and even blue-violet. Thanks to the wide range of colors, each bouquet of these pretty flowers usually sells for $35, and in some flower shops for $2 -$4 per stem.
Lisianthus is herbaceous, growing around 15–60 cm tall, green, slightly succulent leaves, and large funnel-shaped flowers growing on long straight stems. Lisianthus flowers are either single-flowered or double-flowered, Lisianthus flowers can grow up to 50 millimeters across and can be found in a variety of colors such as pink, purple, white, blue, yellow, or carmine-red.
Scientific name: Eustoma grandiflorum
Origin: North America
Price: $2 -$4 per stem
Refer to: https://www.wonderslist.com/10-most-expensive-flowers-of-the-world/