Rhodochiton atrosanguineus is a herbaceous perennial vine native to Mexico. 

Its dangling flowers have a pink, bell-shaped calyx ofsepals surrounding a protruding, tubular corolla of purple-black petals.

It has been cultivated as an ornamental plant.

It has somewhat hairy, heart-shaped leaves, often with purple venation. 

The vine can reach three metres in length in perfect conditions.

The seeds are 3mm across.