catharanthus roseus, commonly known as madagascar periwinkle, a source of the drugs vincristine and vinblastine, used to treat can

background beauty bloom blooming blossom botany can cape catharanthus closeup color colorful commonly decoration drugs flora floral flower foliage fresh garden green growth herb herbal known leaf madagascar natural nature oldmaid ornamental outdoor people perennial periwinkle periwinkles petal pink plant rosea roseus rosy season source spring summer treat used vinblastine vinca vincristine