Researchers discovered a new type of fungus called Tulasnella sp. BJ1 that forms beneficial partnerships with Bletilla striata, a traditional Chinese medicinal plant. When this fungus was used with the plant’s seeds, germination rates and seedling growth improved significantly compared to seeds grown alone. The fungus helps by producing growth-promoting substances like plant hormones and breaking down nutrients that the developing plants can absorb. This finding offers a practical method to grow more B. striata plants efficiently for medicinal use.