I'm pretty sure cannabis was brought by Sirians. The Dogon people are very wise.
“Take a look at the word cannabis. Ever wonder what it means? Cannabis is a Greek word, though its root is African. In Greek, canna means “canine”, or “dog”, and bis or bi is the number two. So cannabis is the “two dog plant”! That in itself is interesting. But the pot thickens.
There is a cannabis-loving tribe in Mali, West Africa called the Dogon tribe. A fairly well-documented group, the Dogons were visited by Herodotus, a Greek traveler and chronicler, around 300 BC. He was fortunate enough to have visited the Dogons during a year-long celebration that took place every 50 years.
Explaining their celebration, the Dogons pointed to the brightest star in the Winter sky, Sirius, and said it was the ‘Two-Dog Star’ and that it was the home of the ‘two-dog plant’, cannabis. The two-dog plant, they said, was brought to our planet by the Goddess from the Two Dog Star.
Their yearlong celebration was in honor of that star.
All of this would be easy to dismiss if not for the fact the Dogons possessed specific knowledge about the Sirian system for thousands of years before scientists with modern telescopes and equipment could catch up and prove them right.
The Dogons had specific knowledge about Sirius B, a white dwarf star, which they call Po Tolo. They knew that it was white, that it was extremely small, and that its the heaviest star in its grouping. They were able to describe its elliptical orbit with Sirius A, its 50 year orbital period, and the fact that the star rotated on its own axis. Sirius B is invisible to the naked eye and is so difficult to observe, even through a telescope, no pictures were taken until 1970.
If the Dogons were correct in all of their other knowledge about Sirius, why would they not be dead on with their claims of cannabis being from Sirius. It is, after all, named after that ‘Two-Dog Star’.”
– Jason King, The Cannabible 3
https://www.spiralout.org/the-two-dog-plant