The binomial name for Longan is Dimocarpus longan. Native to southers Asia, Longan is a tropical member of the Soapberry family. Another tropical Soapberry member comonly associated with Longan is the Lychee. Longan should not be confused with Loganberry, but this happens because the spellings are similar.
It may be possible to find any longan farms near your location. We have built a map that will show all of the berry farms in our directory!