Asparagus ensiflorus (Sprenger's Asparagus; syn. Asparagus aethiopicus L., Asparagopsis densiflora Kunth, Protasparagus aethiopicus (L.) Oberm., Protasparagus densiflorus (Kunth) Oberm.) is a weed native to South Africa, which is often used as an ornamental plant. Asparagus densiflorus is toxic to domestic housecats.