Ruehssia cundurango

Ruehssia cundurango is a species of plant of the genus Ruehssia native to Colombia, Ecuador and Peru in South America.^[2] It has the common name condurango.^[5] The subspecies Ruehssia cundurango subsp. cundurango (synonym Marsdenia cundurango) is known to contain conduritol, a cyclitol or cyclic polyol. It was first isolated in 1908 by K. Kübler from the bark of the vine.^[6]

Ruehssia cundurango
Marsdenia cundurango[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Apocynaceae
Genus:	Ruehssia
Species:	R. cundurango
Binomial name
Ruehssia cundurango (Triana) Liede & H.A.Keller
Subspecies
See text.
Synonyms
Of the species:[2] Gonolobus cundurango Triana Of subsp. cundurango:[3] Marsdenia cundurango Rchb.f. Marsdenia reichenbachii Triana, nom. superfl. Pseudomarsdenia cundurango (Rchb.f.) Schltr. Pseusmagennetus equatoriensis Ruschenb. Of subsp. fosteri:[4] Marsdenia cundurango subsp. fosteri Morillo

Subspecies

As of November 2023^[update], Plants of the World Online accepted two subspecies:^[2]

• Ruehssia cundurango subsp. cundurango – Colombia, Ecuador, Peru
• Ruehssia cundurango subsp. fosteri (Morillo) Liede & H.A.Keller – Peru