Traditional applique was often very stylized with shorthand indications of florals. The eight-lobed flat flower with a circle in the center is the classic 19th-century applique. Circles or dots usually stood for a fruit as in the bowl here.
Amanda Murphy's Buttoned Up for Spring appears in Quilts from Quiltmaker's 100 Blocks. Giveaway on Quilty Pleasures until midnight 9/5: http://www.quiltmaker.com/blogs/quiltypleasures/2012/09/qm-rocks-the-blocks-20-giveaways/