It is an evergreen shrub that grows 1.5 - 5 meters tall as a
lianas growing as high as 15 meters on trees, with slender, wine-purple pendulous branches arising from the base of the trunk. Leaves are simple, lanceolate, with reddish petiole, 20-140 mm x 8-70 mm, apex is acute or acuminate and the surface can be hairless or hairy. The margin is smooth or serrated with glands. The petioles are 1-3 mm x 3-35 mm. The stipules are triangular 0.8-3 x 0.4-3 mm sometimes fused or curved with age. Flowers solitary or pairs, pendulous, and flower tubes are red, cylindrical around 5-16 x 3-7 mm wide, sometimes hairy outside. The stamens are red. The ovary is oblong, 5-12 x 2-4 mm wide. The sepals are 15-45 mm long, fused at the base red or rose color. The petals are violet-fuchsia color, obovate 10-25 x 8-16 mm wide. The filaments are red-purple, 25-45 x 20-38 mm long. The style 2-6 mm long. The fruit is a berry is oblong 10-27 mm x 9-13 mm, dark purple when ripe. The seeds are tan, oblong 1.6-2.5 mm x 1-1.6 mm wide. ==Subspecies==