Castilleja Sulphurea is a flowering plant native to North America. It is commonly known as Sulphur Indian paintbrush or sulphur Indian paint. There are several synonyms for Castilleja Sulphurea, including Castilleja sulphurata, Castilleja sulphurea, and Indian paintbrush sulphurea. This plant is characterized by its unique yellow or orange-yellow flowers and green or yellowish-green bracts. It is a popular ornamental plant widely cultivated in gardens for its beauty and bright colors. Castilleja Sulphurea is also used in traditional medicine for treating various ailments such as cough, cold, fever, and sore throat. It is a valuable plant species with a significant ecological and economic importance.