The Siam Tulip, or "Heavenly Lotus," with its pinkish-purple blossoms, blooms profusely amidst the lush green leaves of Phu Pha Lek National Park in Sakon Nakhon Province. Often seen during the rainy season, this flower is a highlight that adds vibrant color to the forest in the Phu Phan mountain range, attracting tourists to experience the natural beauty and breathe the fresh air in this protected area.