rose periwinkle flowers catharanthus roseus

acid alkaloide alkaloids angiosperm anti antibacterial antispasmodic apocynaceae astringent bloom blooming blossom botany bright cancer cape circulatory close cough digestive dogbane evergreen expectorant eyes failure family flavonoids flora flower heart herb herblore inflammatory medicinal natural nature periwinkle plant poisonous problems reassuring rose saponins styptic tannic therapy toxic treatment vincaalkaloide vincamine vincin weakness whooping wildflower