''Rhodochiton hintonii'' is a climbing or sprawling

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of t ...

perennial native to the state of Guerrero in Mexico. It has dangling flowers, with a bell-shaped

calyx Calyx or calyce (plural "calyces"), from the Latin ''calix'' which itself comes from the Ancient Greek ''κάλυξ'' (''kálux'') meaning "husk" or "pod", may refer to: Biology * Calyx (anatomy), collective name for several cup-like structures ...

and dark purple

petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...

s forming a tube. Unlike the better known ''

Rhodochiton atrosanguineus ''Rhodochiton atrosanguineus'' is a herbaceous perennial vine native to Mexico. It has been cultivated as an ornamental plant since at least 1836. Although the specific epithet is sometimes spelled ''atrosanguineum'', ''chiton'' in Greek is ...

'', the petal tube is asymmetrical with two "lips". The species was first described by Wayne J. Elisens in 1985. The specific epithet ''hintonii'' commemorates G.B. Hinton, described as a "pioneer plant collector in Mexico". It was transferred from the genus ''

Lophospermum ''Lophospermum'' is a genus of herbaceous perennial climbers or scramblers, native to mountainous regions of Mexico and Guatemala. Those that climb use twining leaf stalks. Their flowers are tubular, in shades of red, violet and purple, the large ...

'' to ''Rhodochiton'' by David A. Sutton in 1988.

References

Plantaginaceae Plants described in 1985 {{Plantaginaceae-stub