This post is a collection of flowers by Jan Frans van Dael (1764-1840). There are 3 paintings listed below chronologically.
Still Life with Roses, Peonies, Tulips, Auriculas, an Iris and Other Flowers... (1814)
Still Life of Roses, a Tulip, an Iris, Morning Glory, Apply Blossom... (1820)
Flower Bouquet in a Glass (1825)