WHAT FLORIDA NATIVE PLANT IS BLOOMING TODAY?: PINK PURSLANE; KISS-ME-QUICK (Portulaca pilosa)
Sometimes called rose moss. Flowers open only part of the day; good for rock gardens, groundcover. While P. spp. is said to edible, most agree this species is best left to for the wildlife.
Native American Ethnobotany for this genus: http://herb.umd.umich.edu/herb/search.pl?searchstring=Portulaca