A fleshy climbing shrub, about 3-15 meters long, with aerial roots and 3 horns or edges. Its color is dark green at the initial stage, and it will become light blue-green at the later stage. The edge of the old branch is usually swollen and light brown. Each of them has 1 - 3 hard thorns. The hard thorns are cone-shaped, gray brown to black.
Compared with the former, it is much smaller, about 7-8 meters high. It has a relatively large number of edges, 6-8 of which are dark green or gray green. There are 5 - 6 spines in the base.
The flowers are funnel-shaped, open at night, calyx like perianth is yellow green, petal like is white.
The flower of the celebrant is tubular or trumpet shaped, and the color is white.
The berry of the ruler is red and long.
The berries of the celebrant are yellow or red.
