Even good feminized indica seeds can throw a few male flowers late in bloom if the plant gets stressed by light leaks or heat. These yellow banana shaped growths hide inside the buds and can seed an entire tent within a week. A photo guide to what they look like at different stages, plus which strains have a reputation for it, is maintained on https://kushindicaseeds.com by a few long time members. I check with a loupe every few days from week five onward.
