Philodendron billietiae is a hemi-epiphytic species of plant in the genus Philodendron native to Brazil, Guyana, and French Guiana. The leaves of this philodendron variety certainly put on an interesting display, especially when the plant is allowed to climb on a pole or other structure. Arrow-shaped with orange petioles and green coloration, these leaves can reach 3 feet if the plant grows in its natural habitat.
The ideal daytime temperature range for philodendron billietiae is between 65 F – 80 F. During the night, the temperature range should stay between 55 F and 65 F. Indoors, it's easy to achieve these temperature ranges. Outdoors, it's not.
Yes, your Philodendron billietiae is toxic. All Philodendron plants are toxic. This is because the plant is covered in calcium oxalate crystals.