This species is a perennial herb growing from a fleshy rhizome. It is scan dent, climbing using tendrils, the stem reaching 4 meters long. The leaves are mainly alternately arranged, but they may be opposite, as well. They are somewhat lance-shaped and tipped with tendrils, and they are up 13 to 20 centimeters long.The showy flower has six tepals each up to 5 to 7.6 centimeters long. They are generally bright red to orange at maturity, sometimes with yellowish bases. The margins may be quite wavy. The six stamens also are long, up to 4 centimeters, and each bears a large anther at the tip that drops large amounts of yellow pollen. The style may be more than 6 centimeters long. One flower may weigh over 2.5 grams. The fruit is a fleshy capsule up to 6 to 12 centimeters long containing red seeds.