Oxalis Triangularis Stock Image

Butterfly calipers, red calipers, purple calipers or butterfly flowers & x28;Oxalis triangularis& x29; are ornamental plants that come from the genus oxalis. This plant is an edible perennial plant, belonging to the Oxalidaceae & x28;starfruit& x29; family. Derived from Brazil, this plant is popular as a home ornamental plant which is usually grown in pots, with a shady light requirement. Because of this need for shade, false shamrock is often used as an indoor plant.