Gift of Christ

Holy basil became routinely included in legends, offerings and worship rituals of many of the Christian denominations of Europe .The sacred plant was given an especially festive central role in the annual celebration of the birth of St. Basil. Also known as St. Josephwort in parts of Europe, the herb is looked on by many as a gift of Christ

http://www.indiadivine.org/the-legends-of-tulasi-in-christianity/
https://www.youtube.com/results?search_query=tulasi+christianity