Yes, there is.
For example, you can only enjoy the freshest wild-grown mushrooms in the rainy season in Yunnan province. Another famous local vegetable in Yunnan is the Typha Orientalis. Local people love this vegetable for its special fragrance. It is a super delicious food ingredient you can have when drinking soup. One of the famous Yunnan cuisines, the cross-bridge rice noodle, uses this vegetable to enrich the taste. This vegetable also tastes good by simply stir-frying with oil.