It has often sprawling thin stems and white funnel-shaped flowers that open at night.

Strophocactus sicariguensis grows as a shrub, initially upright and later sprawling.

The white funnel-shaped flowers open at night and are up to 16 cm (6.3 in) long.

[1] It was transferred to the genus Pseudoacanthocereus as Pseudoacanthocereus sicariguensis by Nigel P. Taylor in 1992,[5] a placement still accepted by some sources as of February 2021[update].

[3] Strophocactus sicariguensis is native to Colombia and Venezuela,[2] in particular around the Maracaibo Basin.