The pollen from these plants can be quite useful, and some growers collect the pollen because even though it is a male part of reproduction, the hermaphroditic pollen is genetically female, and will produce female flowers.
In the 70’s, Indica strains were brought to the USA and mixed with the already present Sativa plants, which set off a long chain of breeding and experimentation with cannabis cultivation and hybridization.
Tip: make sure to download my free Grow Bible for more information about types of marijuana
It’s important to note that despite the differences between all of these varieties of cannabis, they are essentially one species. They can still be bred together. The names Indica and Sativa refer to the areas where the plants are originally from.
The same sort of idea is found in other agriculture, or dog breeds, where there is a wide difference in appearances, but the species are still the same.