[2] William Edwin Safford, the American botanist who first formally described the species, named it after the Venezuelan scientist, explorer and mountain climber Alfredo Jahn.

Its petioles are 6-8 millimeters, have a groove on their upper surface, and are covered in dense rust-colored hairs.

The fruit are covered in pyramid-shaped bumps arranged in a spiral pattern and dense rust-colored hairs.

The pulp of the fruit was reported by William Safford, in 1914, to be edible, sweet and pleasantly flavored.

[3] Bioactive compounds extracted from twigs have been reported to inhibit mitochondrial electron transport.