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Madagascar Periwinkle - Photo (c) Jean-Philippe BASUYAUX, some rights reserved (CC BY-NC), uploaded by Jean-Philippe BASUYAUX CC
Madagascar Periwinkle (Catharanthus roseus) Info
Catharanthus roseus, commonly known as the Madagascar periwinkle, rose periwinkle, or rosy periwinkle, is a species of flowering plant in the dogbane family Apocynaceae. It is native and endemic to Madagascar, but grown elsewhere as an ornamental and medicinal plant, a source of the drugs vincristine and vinblastine, used to treat cancer. Other English names include Vinca, Cape periwinkle, rose periwinkle, rosy periwinkle, and "old-maid". It was formerly (Wikipedia)
Billygoat Weed - Photo (c) Franz Anthony, some rights reserved (CC BY-NC), uploaded by Franz Anthony CC
Billygoat Weed (Ageratum conyzoides) Info
Ageratum conyzoides (billygoat-weed, chick weed, goatweed, whiteweed) is native to Tropical America, especially Brazil, and considered an invasive weed in many other regions. It is an herb that is 0.5–1 m. high, with ovate leaves 2–6 cm long, and flowers are white to mauve. (Wikipedia)