Trochomeria debilis.

Originary from Botswana, South Africa, Trochomeria debilis caudex can grow up to 8 inches in diameter producing very itrestingone of a kind shapes. The vines cah grow over 10 feet long.
Flowers are Yellowish-Green
Both male and female flowers are yellowish green, and the small fruits are orange-red.
leaf burn.

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz