Many common indoor and outdoor plants contain calcium oxalate crystals, which can cause intense mouth and skin irritation. These sharp crystals can stab the tongue, gums, and throat when chewed, Of Monsters and Men Music 100% Official Merchandise OMAM US Ponytail Palm C&J Gardening Center Philodendron el guapo (formerly philodendron sp. Colombia) Recently mass produced through tissue culture and for some reason sold with moss sticks(note it's a creeper philodendron) this plant always has a special place Philodendron Corsinianum Giant Plant in 4 pot Kens Philodendrons Does anybody know what this plant is? I first thought it's artificial, but apparently it's a real plant. : r whatsthisplant