Raphides are needle-shaped crystals of calcium oxalate monohydrate or calcium carbonate as aragonite, found in more than 200 families of plants. Both ends appear needle-like, but raphides tend to be b
Raphides in Epipremnum Devil's ivy (600× magnification)
Raphides in Hypoestes phyllostachya, the polka dot plant
Amorphophallus paeoniifolius, commonly known as the elephant foot yam or whitespot giant arum, is a tropical plant native to Island Southeast Asia. It is cultivated for its edible tubers in Southeast