'Azurea Flore Pleno' (double blue flowers) 'Bowles’s Variety’ (violet-blue flowers: also known as ‘Bowles’s Blue’ and ‘La Grave’) 'Ralph Shugert'<ref>{{cite web | url = https://www.rhs.org.uk/Plants/208929/Vinca-minor-Ralph-Shugert-(v)/Details | title = Vinca minor 'Ralph Shugert' | publisher = RHS | access-date = 5 March 2021}}</ref> Medicinal use: chemical constituents Vinca minor contains more than 50 alkaloids, including vincamine. Other alkaloids include reserpine, reserpinine, akuammicine, majdine, vinerine, ervine, vineridine, tombozine, vincamajine, vincanine, vincanidine, vincamone, apovincamine, vincaminol, desoxyvincaminol, vincorine and perivincine. Vinpocetine (brand names: Cavinton, Intelectol; chemical name: ethyl apovincaminate) is a semisynthetic derivative alkaloid of vincamine. Colour The colour name periwinkle is derived from the flower. References Further reading Flora Europaea: Vinca minor distribution Morphology and ecology of Vinca minor (in Spanish) Borealforest: Vinca minor Vinca minor (from Ohio State University's Pocket Gardener) Common periwinkle (as an invasive species; includes photos) Blamey, M., & Grey-Wilson, C. (1989). Flora of Britain and Northern Europe. Hodder & Stoughton. Huxley, A., ed. (1992). New RHS Dictionary of Gardening'' 4: 665. Macmillan. detailed technical description Encyclopedia of Life database entry External links Traditional Medicine Uses: Vinca minor minor Medicinal plants of Europe Groundcovers Garden plants of Europe Plants described in 1753 Taxa named by Carl Linnaeus Subshrubs