Caralluma flava (syn. Desmidorchis flava) is a succulent plant species belonging to the Apocynaceae family. This intriguing species features fleshy, four-angled stems adorned with small, tooth-like projections. Caralluma flava produces striking, star-shaped flowers with five yellow petals, often marked with reddish-brown spots or stripes. This species is known for its unique adaptation to arid environments, storing water in its stems to withstand drought conditions.