The String of Pearls (Senecio rowleyanus) plant is an odd-looking plant named after Gordon Douglas Rowley, a British botanist who is known for his work on succulent plants. The String Of Pearl plant. is also called rosary string of beads or string of pearls plant, this creeping succulent is native to the drier parts of southwest Africa. … Continue reading The String Of Pearl (Senecio rowleyanus) Care and Information