Insects leave (Madagascar periwinkle) Catharanthus roseus out of their diets. So, for that matter, do deer. The reason is that the plants are loaded with alkaloids so potent that they are the source of vincristine and vinblastine. These are drugs important in routines of chemotherapy for treating Hodgkin's disease and certain forms of leukemia.
Allen LacyA powerful hand lens [Eschenback Leutchlupe] with a focused beam of light opens up an entire world below the threshold of the ordinary experience of seeing.
Allen LacyIn addition to all its rich offerings to the body and its five senses, gardening engages the mind.
Allen Lacy