
Madagascar Periwinkle
Catharanthus roseus is a profusely branched, erect or decumbent perennial plant with stems that can become more or less woody. It grows from 30 – 100cm tall. A white latex is present in all parts of the plant. Recent discovery of the compound vincristine in the plant has led to its commercial cultivation, especially in Spain, China and the USA, since the compound has proved itself useful in the treatment of leukaemia. A popular garden ornamental, it is grown as a perennial in the tropics…