Polystemma cordatum

Polystemma cordatum, synonym Microdactylon cordatum, is a species of plants in the family Apocynaceae, native to the States of Puebla and Oaxaca in Mexico.^[1][2] As Microdactylon cordatum it was the only species in the monotypic genus Microdactylon.^[3]

Polystemma cordatum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Apocynaceae
Genus:	Polystemma
Species:	P. cordatum
Binomial name
Polystemma cordatum (Brandegee) L.O.Alvarado[1]
Synonyms[1]
Matelea cordata (Brandegee) Woodson Microdactylon cordatum Brandegee