There are various cultivars of the dracaena reflexa that display different leaf variations, although the most popular you'll see sold in garden stores is the yellow edged variegata type. They usually grow up to about 3ft tall indoors which takes a fair few years and have a bushy tree type of look about them. Like other dracaenas these are fairly easy to care for and grow and can withstand a certain amount of neglect, but not as much as other dracaena plants.
The song of India does need it's bright light and quite high humidity levels to thrive. The leaves are the main attraction to this species - although it does flower. These leaves are glossy that arch over and grow up to 1ft long and a couple of inches or so wide.
The song of India plant was used in the NASA's National Aeronautics and Space Administration clean air study which proved to remove a considerable amount of toxins from the environment. Another similarity to other dracaenas is the bottom leaves will begin to turn yellow and fall, which is totally the norm. They are just shedding leaves to grow new ones, so don't worry.,There are various cultivars of the dracaena reflexa that display different leaf variations,