This is an outline of some flowers. The lines are used to create boundaries. Without any detail the lines allow us to know what the image is.
Beccy's Place: Magnolia
Coneflower 1 colouring page loads of tilda stamp ideas on this page
Outline of Drawing and Drawings - Bing images
rose outline - Google Search
Free Printable Flower Coloring Page Template - I would make a lovely flower coloring sheet for little ones or even a craft project outline or sewing appliqué! Prints on a full size sheet of paper.
jasmine flower outline drawing - Google Search
16oz. flower outline mug with polka dots by MelissaAnnPottery
May be helpful for my flowers watercolour for Christine