1. Corolla Apopetalous above the hypanthium or absent in 1 species of Ludwigia [Figs

2. They show neither coalescence nor adnation and do not appear to contribute to the development of the hypanthium.

3. Rose hips, much revered for their vitamin C content, conversely contain their supply of Achenes, within a structure called a hypanthium (this is the fleshy red structure we value so highly).

4. Carpel primordia arise individually on the remainder of the floral meristem and show neither adnation to the hypanthial wall nor coalescence to one another as they give rise to the styles and stigmas that are exserted above the hypanthium lip.