By Keith Speights, The Motley Fool

This Canadian marijuana stock looks like one of the best ways to profit from growth in the U.S. cannabis industry.

Sometimes a first impression doesn’t tell the full story. That’s the case for my opinion of a small marijuana stock that perhaps hasn’t caught the attention of most investors — CannaRoyalty (NASDAQOTH: CNNRF)

You have probably read and heard a lot about the top marijuana stocks. For the most part, these are the stocks of Canadian marijuana growers like Canopy Growth (NYSE: CGC). But U.S.-based marijuana businesses don’t get nearly as much attention. I’ll be the first to admit that I haven’t focused on some of these stocks of U.S. companies as much as I have on the Canadian stocks.

However, I did recently write about CannaRoyalty. And while I was generally positive about the company, I missed out on something very important about CannaRoyalty’s business. The more I learned about this aspect of what CannaRoyalty is doing, the more impressed I became about the company’s prospects. Here’s what investors need to know about this under-the-radar marijuana stock.